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Finding the Fourth Proportional to 267,885.09, 369,680.27 and 147,028.32

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Solution

The fourth proportional to 267,885.09, 369,680.27 and 147,028.32 is: 202,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,885.09 : 369,680.27 = 147,028.32 : x
  2. Step 2: Convert to fraction form
    267,885.09/369,680.27 = 147,028.32/x
  3. Step 3: Cross multiply
    267,885.09x = 369,680.27 × 147,028.32
  4. Step 4: Simplify right side
    267,885.09x = 54,353,468,300.10
  5. Step 5: Solve for x
    x = 54,353,468,300.10/267,885.09
  6. Step 6: Final answer
    x = 202,898.45

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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.