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Finding the Fourth Proportional to 205,340, 308,132.88 and 88,604

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Solution

The fourth proportional to 205,340, 308,132.88 and 88,604 is: 132,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,340 : 308,132.88 = 88,604 : x
  2. Step 2: Convert to fraction form
    205,340/308,132.88 = 88,604/x
  3. Step 3: Cross multiply
    205,340x = 308,132.88 × 88,604
  4. Step 4: Simplify right side
    205,340x = 27,301,805,699.52
  5. Step 5: Solve for x
    x = 27,301,805,699.52/205,340
  6. Step 6: Final answer
    x = 132,959.02

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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.