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Finding the Fourth Proportional to 438,737.52, 658,452.48 and 225,496.92

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Solution

The fourth proportional to 438,737.52, 658,452.48 and 225,496.92 is: 338,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,737.52 : 658,452.48 = 225,496.92 : x
  2. Step 2: Convert to fraction form
    438,737.52/658,452.48 = 225,496.92/x
  3. Step 3: Cross multiply
    438,737.52x = 658,452.48 × 225,496.92
  4. Step 4: Simplify right side
    438,737.52x = 148,479,006,206.36
  5. Step 5: Solve for x
    x = 148,479,006,206.36/438,737.52
  6. Step 6: Final answer
    x = 338,423.32

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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.