Home / 431,990.10-596,141.15-238,399.29

Finding the Fourth Proportional to 431,990.10, 596,141.15 and 238,399.29

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Solution

The fourth proportional to 431,990.10, 596,141.15 and 238,399.29 is: 328,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,990.10 : 596,141.15 = 238,399.29 : x
  2. Step 2: Convert to fraction form
    431,990.10/596,141.15 = 238,399.29/x
  3. Step 3: Cross multiply
    431,990.10x = 596,141.15 × 238,399.29
  4. Step 4: Simplify right side
    431,990.10x = 142,119,625,707.79
  5. Step 5: Solve for x
    x = 142,119,625,707.79/431,990.10
  6. Step 6: Final answer
    x = 328,988.15

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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.