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Finding the Fourth Proportional to 431,610, 595,614.96 and 240,635.04

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Solution

The fourth proportional to 431,610, 595,614.96 and 240,635.04 is: 332,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,610 : 595,614.96 = 240,635.04 : x
  2. Step 2: Convert to fraction form
    431,610/595,614.96 = 240,635.04/x
  3. Step 3: Cross multiply
    431,610x = 595,614.96 × 240,635.04
  4. Step 4: Simplify right side
    431,610x = 143,325,829,724.20
  5. Step 5: Solve for x
    x = 143,325,829,724.20/431,610
  6. Step 6: Final answer
    x = 332,072.54

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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.