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Finding the Fourth Proportional to 381,350.40, 572,025.60 and 363,854.40

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Solution

The fourth proportional to 381,350.40, 572,025.60 and 363,854.40 is: 545,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,350.40 : 572,025.60 = 363,854.40 : x
  2. Step 2: Convert to fraction form
    381,350.40/572,025.60 = 363,854.40/x
  3. Step 3: Cross multiply
    381,350.40x = 572,025.60 × 363,854.40
  4. Step 4: Simplify right side
    381,350.40x = 208,134,031,472.64
  5. Step 5: Solve for x
    x = 208,134,031,472.64/381,350.40
  6. Step 6: Final answer
    x = 545,781.60

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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.