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Finding the Fourth Proportional to 561,967.05, 842,950.58 and 162,620.85

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Solution

The fourth proportional to 561,967.05, 842,950.58 and 162,620.85 is: 243,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,967.05 : 842,950.58 = 162,620.85 : x
  2. Step 2: Convert to fraction form
    561,967.05/842,950.58 = 162,620.85/x
  3. Step 3: Cross multiply
    561,967.05x = 842,950.58 × 162,620.85
  4. Step 4: Simplify right side
    561,967.05x = 137,081,339,014.49
  5. Step 5: Solve for x
    x = 137,081,339,014.49/561,967.05
  6. Step 6: Final answer
    x = 243,931.28

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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.