Home / 424,353.07-636,549.50-140,068.41

Finding the Fourth Proportional to 424,353.07, 636,549.50 and 140,068.41

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Solution

The fourth proportional to 424,353.07, 636,549.50 and 140,068.41 is: 210,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,353.07 : 636,549.50 = 140,068.41 : x
  2. Step 2: Convert to fraction form
    424,353.07/636,549.50 = 140,068.41/x
  3. Step 3: Cross multiply
    424,353.07x = 636,549.50 × 140,068.41
  4. Step 4: Simplify right side
    424,353.07x = 89,160,472,468.21
  5. Step 5: Solve for x
    x = 89,160,472,468.21/424,353.07
  6. Step 6: Final answer
    x = 210,109.17

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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.