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Finding the Fourth Proportional to 412,737.54, 569,568.92 and 231,445.49

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Solution

The fourth proportional to 412,737.54, 569,568.92 and 231,445.49 is: 319,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,737.54 : 569,568.92 = 231,445.49 : x
  2. Step 2: Convert to fraction form
    412,737.54/569,568.92 = 231,445.49/x
  3. Step 3: Cross multiply
    412,737.54x = 569,568.92 × 231,445.49
  4. Step 4: Simplify right side
    412,737.54x = 131,824,153,773.10
  5. Step 5: Solve for x
    x = 131,824,153,773.10/412,737.54
  6. Step 6: Final answer
    x = 319,389.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.