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Finding the Fourth Proportional to 247,893.44, 342,092.80 and 134,716.20

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Solution

The fourth proportional to 247,893.44, 342,092.80 and 134,716.20 is: 185,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,893.44 : 342,092.80 = 134,716.20 : x
  2. Step 2: Convert to fraction form
    247,893.44/342,092.80 = 134,716.20/x
  3. Step 3: Cross multiply
    247,893.44x = 342,092.80 × 134,716.20
  4. Step 4: Simplify right side
    247,893.44x = 46,085,442,063.36
  5. Step 5: Solve for x
    x = 46,085,442,063.36/247,893.44
  6. Step 6: Final answer
    x = 185,908.28

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1.5x scale

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.