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Finding the Fourth Proportional to 363,456.60, 545,768.10 and 245,650.20

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Solution

The fourth proportional to 363,456.60, 545,768.10 and 245,650.20 is: 368,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,456.60 : 545,768.10 = 245,650.20 : x
  2. Step 2: Convert to fraction form
    363,456.60/545,768.10 = 245,650.20/x
  3. Step 3: Cross multiply
    363,456.60x = 545,768.10 × 245,650.20
  4. Step 4: Simplify right side
    363,456.60x = 134,068,042,918.62
  5. Step 5: Solve for x
    x = 134,068,042,918.62/363,456.60
  6. Step 6: Final answer
    x = 368,869.47

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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.