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Finding the Fourth Proportional to 250,089.92, 375,205.13 and 100,435.31

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Solution

The fourth proportional to 250,089.92, 375,205.13 and 100,435.31 is: 150,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,089.92 : 375,205.13 = 100,435.31 : x
  2. Step 2: Convert to fraction form
    250,089.92/375,205.13 = 100,435.31/x
  3. Step 3: Cross multiply
    250,089.92x = 375,205.13 × 100,435.31
  4. Step 4: Simplify right side
    250,089.92x = 37,683,843,545.14
  5. Step 5: Solve for x
    x = 37,683,843,545.14/250,089.92
  6. Step 6: Final answer
    x = 150,681.18

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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.