Home / 424,355.07-636,552.50-140,070.41

Finding the Fourth Proportional to 424,355.07, 636,552.50 and 140,070.41

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Solution

The fourth proportional to 424,355.07, 636,552.50 and 140,070.41 is: 210,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,355.07 : 636,552.50 = 140,070.41 : x
  2. Step 2: Convert to fraction form
    424,355.07/636,552.50 = 140,070.41/x
  3. Step 3: Cross multiply
    424,355.07x = 636,552.50 × 140,070.41
  4. Step 4: Simplify right side
    424,355.07x = 89,162,169,661.53
  5. Step 5: Solve for x
    x = 89,162,169,661.53/424,355.07
  6. Step 6: Final answer
    x = 210,112.18

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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.