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Finding the Fourth Proportional to 247,455.56, 341,489.59 and 134,278.31

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Solution

The fourth proportional to 247,455.56, 341,489.59 and 134,278.31 is: 185,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,455.56 : 341,489.59 = 134,278.31 : x
  2. Step 2: Convert to fraction form
    247,455.56/341,489.59 = 134,278.31/x
  3. Step 3: Cross multiply
    247,455.56x = 341,489.59 × 134,278.31
  4. Step 4: Simplify right side
    247,455.56x = 45,854,645,545.82
  5. Step 5: Solve for x
    x = 45,854,645,545.82/247,455.56
  6. Step 6: Final answer
    x = 185,304.57

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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.