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Finding the Fourth Proportional to 265,610.47, 398,454.91 and 94,818.92

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Solution

The fourth proportional to 265,610.47, 398,454.91 and 94,818.92 is: 142,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,610.47 : 398,454.91 = 94,818.92 : x
  2. Step 2: Convert to fraction form
    265,610.47/398,454.91 = 94,818.92/x
  3. Step 3: Cross multiply
    265,610.47x = 398,454.91 × 94,818.92
  4. Step 4: Simplify right side
    265,610.47x = 37,781,065,520.73
  5. Step 5: Solve for x
    x = 37,781,065,520.73/265,610.47
  6. Step 6: Final answer
    x = 142,242.38

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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.