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Finding the Fourth Proportional to 431,331.68, 595,229.68 and 240,340.96

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Solution

The fourth proportional to 431,331.68, 595,229.68 and 240,340.96 is: 331,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,331.68 : 595,229.68 = 240,340.96 : x
  2. Step 2: Convert to fraction form
    431,331.68/595,229.68 = 240,340.96/x
  3. Step 3: Cross multiply
    431,331.68x = 595,229.68 × 240,340.96
  4. Step 4: Simplify right side
    431,331.68x = 143,058,072,711.69
  5. Step 5: Solve for x
    x = 143,058,072,711.69/431,331.68
  6. Step 6: Final answer
    x = 331,666.05

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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.