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Finding the Fourth Proportional to 265,799.26, 398,766.12 and 88,307.20

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Solution

The fourth proportional to 265,799.26, 398,766.12 and 88,307.20 is: 132,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,799.26 : 398,766.12 = 88,307.20 : x
  2. Step 2: Convert to fraction form
    265,799.26/398,766.12 = 88,307.20/x
  3. Step 3: Cross multiply
    265,799.26x = 398,766.12 × 88,307.20
  4. Step 4: Simplify right side
    265,799.26x = 35,213,919,512.06
  5. Step 5: Solve for x
    x = 35,213,919,512.06/265,799.26
  6. Step 6: Final answer
    x = 132,483.14

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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.