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Finding the Fourth Proportional to 424,323.18, 636,395.13 and 124,722.27

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Solution

The fourth proportional to 424,323.18, 636,395.13 and 124,722.27 is: 187,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,323.18 : 636,395.13 = 124,722.27 : x
  2. Step 2: Convert to fraction form
    424,323.18/636,395.13 = 124,722.27/x
  3. Step 3: Cross multiply
    424,323.18x = 636,395.13 × 124,722.27
  4. Step 4: Simplify right side
    424,323.18x = 79,372,645,230.55
  5. Step 5: Solve for x
    x = 79,372,645,230.55/424,323.18
  6. Step 6: Final answer
    x = 187,057.06

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1.5x scale

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.