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Finding the Fourth Proportional to 265,906.28, 398,862.90 and 88,413.29

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Solution

The fourth proportional to 265,906.28, 398,862.90 and 88,413.29 is: 132,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,906.28 : 398,862.90 = 88,413.29 : x
  2. Step 2: Convert to fraction form
    265,906.28/398,862.90 = 88,413.29/x
  3. Step 3: Cross multiply
    265,906.28x = 398,862.90 × 88,413.29
  4. Step 4: Simplify right side
    265,906.28x = 35,264,781,247.94
  5. Step 5: Solve for x
    x = 35,264,781,247.94/265,906.28
  6. Step 6: Final answer
    x = 132,621.09

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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.