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Finding the Fourth Proportional to 267,886.20, 369,686.79 and 147,025.29

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Solution

The fourth proportional to 267,886.20, 369,686.79 and 147,025.29 is: 202,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,886.20 : 369,686.79 = 147,025.29 : x
  2. Step 2: Convert to fraction form
    267,886.20/369,686.79 = 147,025.29/x
  3. Step 3: Cross multiply
    267,886.20x = 369,686.79 × 147,025.29
  4. Step 4: Simplify right side
    267,886.20x = 54,353,307,508.92
  5. Step 5: Solve for x
    x = 54,353,307,508.92/267,886.20
  6. Step 6: Final answer
    x = 202,897.00

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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.