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Finding the Fourth Proportional to 647,351.70, 971,027.55 and 226,670.10

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Solution

The fourth proportional to 647,351.70, 971,027.55 and 226,670.10 is: 340,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,351.70 : 971,027.55 = 226,670.10 : x
  2. Step 2: Convert to fraction form
    647,351.70/971,027.55 = 226,670.10/x
  3. Step 3: Cross multiply
    647,351.70x = 971,027.55 × 226,670.10
  4. Step 4: Simplify right side
    647,351.70x = 220,102,911,861.26
  5. Step 5: Solve for x
    x = 220,102,911,861.26/647,351.70
  6. Step 6: Final answer
    x = 340,005.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.