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Finding the Fourth Proportional to 363,048.20, 544,572.30 and 230,078.60

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Solution

The fourth proportional to 363,048.20, 544,572.30 and 230,078.60 is: 345,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,048.20 : 544,572.30 = 230,078.60 : x
  2. Step 2: Convert to fraction form
    363,048.20/544,572.30 = 230,078.60/x
  3. Step 3: Cross multiply
    363,048.20x = 544,572.30 × 230,078.60
  4. Step 4: Simplify right side
    363,048.20x = 125,294,432,382.78
  5. Step 5: Solve for x
    x = 125,294,432,382.78/363,048.20
  6. Step 6: Final answer
    x = 345,117.90

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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.