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Finding the Fourth Proportional to 247,877.92, 342,074.64 and 134,702.56

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Solution

The fourth proportional to 247,877.92, 342,074.64 and 134,702.56 is: 185,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,877.92 : 342,074.64 = 134,702.56 : x
  2. Step 2: Convert to fraction form
    247,877.92/342,074.64 = 134,702.56/x
  3. Step 3: Cross multiply
    247,877.92x = 342,074.64 × 134,702.56
  4. Step 4: Simplify right side
    247,877.92x = 46,078,329,719.08
  5. Step 5: Solve for x
    x = 46,078,329,719.08/247,877.92
  6. Step 6: Final answer
    x = 185,891.22

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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.