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Finding the Fourth Proportional to 424,088.89, 636,136.07 and 124,568.30

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Solution

The fourth proportional to 424,088.89, 636,136.07 and 124,568.30 is: 186,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,088.89 : 636,136.07 = 124,568.30 : x
  2. Step 2: Convert to fraction form
    424,088.89/636,136.07 = 124,568.30/x
  3. Step 3: Cross multiply
    424,088.89x = 636,136.07 × 124,568.30
  4. Step 4: Simplify right side
    424,088.89x = 79,242,389,776.08
  5. Step 5: Solve for x
    x = 79,242,389,776.08/424,088.89
  6. Step 6: Final answer
    x = 186,853.26

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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.