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Finding the Fourth Proportional to 372,059.60, 513,436.20 and 202,298

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Solution

The fourth proportional to 372,059.60, 513,436.20 and 202,298 is: 279,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,059.60 : 513,436.20 = 202,298 : x
  2. Step 2: Convert to fraction form
    372,059.60/513,436.20 = 202,298/x
  3. Step 3: Cross multiply
    372,059.60x = 513,436.20 × 202,298
  4. Step 4: Simplify right side
    372,059.60x = 103,867,116,387.60
  5. Step 5: Solve for x
    x = 103,867,116,387.60/372,059.60
  6. Step 6: Final answer
    x = 279,167.95

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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.