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Finding the Fourth Proportional to 242,545.20, 363,472.20 and 178,868.40

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Solution

The fourth proportional to 242,545.20, 363,472.20 and 178,868.40 is: 268,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,545.20 : 363,472.20 = 178,868.40 : x
  2. Step 2: Convert to fraction form
    242,545.20/363,472.20 = 178,868.40/x
  3. Step 3: Cross multiply
    242,545.20x = 363,472.20 × 178,868.40
  4. Step 4: Simplify right side
    242,545.20x = 65,013,690,858.48
  5. Step 5: Solve for x
    x = 65,013,690,858.48/242,545.20
  6. Step 6: Final answer
    x = 268,047.73

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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.