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Finding the Fourth Proportional to 493,705.02, 681,309.03 and 267,350.52

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Solution

The fourth proportional to 493,705.02, 681,309.03 and 267,350.52 is: 368,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,705.02 : 681,309.03 = 267,350.52 : x
  2. Step 2: Convert to fraction form
    493,705.02/681,309.03 = 267,350.52/x
  3. Step 3: Cross multiply
    493,705.02x = 681,309.03 × 267,350.52
  4. Step 4: Simplify right side
    493,705.02x = 182,148,323,451.20
  5. Step 5: Solve for x
    x = 182,148,323,451.20/493,705.02
  6. Step 6: Final answer
    x = 368,941.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.