Home / 390,003.04-585,092.22-123,772.24

Finding the Fourth Proportional to 390,003.04, 585,092.22 and 123,772.24

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Solution

The fourth proportional to 390,003.04, 585,092.22 and 123,772.24 is: 185,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,003.04 : 585,092.22 = 123,772.24 : x
  2. Step 2: Convert to fraction form
    390,003.04/585,092.22 = 123,772.24/x
  3. Step 3: Cross multiply
    390,003.04x = 585,092.22 × 123,772.24
  4. Step 4: Simplify right side
    390,003.04x = 72,418,174,675.97
  5. Step 5: Solve for x
    x = 72,418,174,675.97/390,003.04
  6. Step 6: Final answer
    x = 185,686.18

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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.