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Finding the Fourth Proportional to 424,405.85, 636,510.02 and 124,806.29

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Solution

The fourth proportional to 424,405.85, 636,510.02 and 124,806.29 is: 187,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,405.85 : 636,510.02 = 124,806.29 : x
  2. Step 2: Convert to fraction form
    424,405.85/636,510.02 = 124,806.29/x
  3. Step 3: Cross multiply
    424,405.85x = 636,510.02 × 124,806.29
  4. Step 4: Simplify right side
    424,405.85x = 79,440,450,337.44
  5. Step 5: Solve for x
    x = 79,440,450,337.44/424,405.85
  6. Step 6: Final answer
    x = 187,180.39

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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.