Home / 424,261.23-636,391.63-124,744.29

Finding the Fourth Proportional to 424,261.23, 636,391.63 and 124,744.29

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Solution

The fourth proportional to 424,261.23, 636,391.63 and 124,744.29 is: 187,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,261.23 : 636,391.63 = 124,744.29 : x
  2. Step 2: Convert to fraction form
    424,261.23/636,391.63 = 124,744.29/x
  3. Step 3: Cross multiply
    424,261.23x = 636,391.63 × 124,744.29
  4. Step 4: Simplify right side
    424,261.23x = 79,386,222,046.29
  5. Step 5: Solve for x
    x = 79,386,222,046.29/424,261.23
  6. Step 6: Final answer
    x = 187,116.37

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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.