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Finding the Fourth Proportional to 247,885.89, 342,082.51 and 134,708.64

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Solution

The fourth proportional to 247,885.89, 342,082.51 and 134,708.64 is: 185,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,885.89 : 342,082.51 = 134,708.64 : x
  2. Step 2: Convert to fraction form
    247,885.89/342,082.51 = 134,708.64/x
  3. Step 3: Cross multiply
    247,885.89x = 342,082.51 × 134,708.64
  4. Step 4: Simplify right side
    247,885.89x = 46,081,469,689.89
  5. Step 5: Solve for x
    x = 46,081,469,689.89/247,885.89
  6. Step 6: Final answer
    x = 185,897.91

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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.