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Finding the Fourth Proportional to 363,472.86, 545,166.20 and 97,253.94

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Solution

The fourth proportional to 363,472.86, 545,166.20 and 97,253.94 is: 145,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,472.86 : 545,166.20 = 97,253.94 : x
  2. Step 2: Convert to fraction form
    363,472.86/545,166.20 = 97,253.94/x
  3. Step 3: Cross multiply
    363,472.86x = 545,166.20 × 97,253.94
  4. Step 4: Simplify right side
    363,472.86x = 53,019,560,904.83
  5. Step 5: Solve for x
    x = 53,019,560,904.83/363,472.86
  6. Step 6: Final answer
    x = 145,869.38

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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.