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Finding the Fourth Proportional to 297,615.87, 445,957.16 and 253,059.39

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Solution

The fourth proportional to 297,615.87, 445,957.16 and 253,059.39 is: 379,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,615.87 : 445,957.16 = 253,059.39 : x
  2. Step 2: Convert to fraction form
    297,615.87/445,957.16 = 253,059.39/x
  3. Step 3: Cross multiply
    297,615.87x = 445,957.16 × 253,059.39
  4. Step 4: Simplify right side
    297,615.87x = 112,853,645,610.44
  5. Step 5: Solve for x
    x = 112,853,645,610.44/297,615.87
  6. Step 6: Final answer
    x = 379,192.30

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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.