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Finding the Fourth Proportional to 247,458.96, 341,494.28 and 134,281.68

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Solution

The fourth proportional to 247,458.96, 341,494.28 and 134,281.68 is: 185,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,458.96 : 341,494.28 = 134,281.68 : x
  2. Step 2: Convert to fraction form
    247,458.96/341,494.28 = 134,281.68/x
  3. Step 3: Cross multiply
    247,458.96x = 341,494.28 × 134,281.68
  4. Step 4: Simplify right side
    247,458.96x = 45,856,425,628.79
  5. Step 5: Solve for x
    x = 45,856,425,628.79/247,458.96
  6. Step 6: Final answer
    x = 185,309.22

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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.