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Finding the Fourth Proportional to 228,752.12, 343,150.36 and 70,938.20

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Solution

The fourth proportional to 228,752.12, 343,150.36 and 70,938.20 is: 106,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,752.12 : 343,150.36 = 70,938.20 : x
  2. Step 2: Convert to fraction form
    228,752.12/343,150.36 = 70,938.20/x
  3. Step 3: Cross multiply
    228,752.12x = 343,150.36 × 70,938.20
  4. Step 4: Simplify right side
    228,752.12x = 24,342,469,548.28
  5. Step 5: Solve for x
    x = 24,342,469,548.28/228,752.12
  6. Step 6: Final answer
    x = 106,414.18

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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.