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Finding the Fourth Proportional to 247,713.57, 341,844.42 and 134,535.51

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Solution

The fourth proportional to 247,713.57, 341,844.42 and 134,535.51 is: 185,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,713.57 : 341,844.42 = 134,535.51 : x
  2. Step 2: Convert to fraction form
    247,713.57/341,844.42 = 134,535.51/x
  3. Step 3: Cross multiply
    247,713.57x = 341,844.42 × 134,535.51
  4. Step 4: Simplify right side
    247,713.57x = 45,990,213,385.35
  5. Step 5: Solve for x
    x = 45,990,213,385.35/247,713.57
  6. Step 6: Final answer
    x = 185,658.84

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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.