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Finding the Fourth Proportional to 363,394.49, 545,050.20 and 97,175.76

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Solution

The fourth proportional to 363,394.49, 545,050.20 and 97,175.76 is: 145,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,394.49 : 545,050.20 = 97,175.76 : x
  2. Step 2: Convert to fraction form
    363,394.49/545,050.20 = 97,175.76/x
  3. Step 3: Cross multiply
    363,394.49x = 545,050.20 × 97,175.76
  4. Step 4: Simplify right side
    363,394.49x = 52,965,667,423.15
  5. Step 5: Solve for x
    x = 52,965,667,423.15/363,394.49
  6. Step 6: Final answer
    x = 145,752.53

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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.