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Finding the Fourth Proportional to 363,129.26, 544,693.94 and 96,890.76

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Solution

The fourth proportional to 363,129.26, 544,693.94 and 96,890.76 is: 145,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,129.26 : 544,693.94 = 96,890.76 : x
  2. Step 2: Convert to fraction form
    363,129.26/544,693.94 = 96,890.76/x
  3. Step 3: Cross multiply
    363,129.26x = 544,693.94 × 96,890.76
  4. Step 4: Simplify right side
    363,129.26x = 52,775,809,329.54
  5. Step 5: Solve for x
    x = 52,775,809,329.54/363,129.26
  6. Step 6: Final answer
    x = 145,336.15

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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.