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Finding the Fourth Proportional to 247,458.46, 341,493.56 and 134,281.22

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Solution

The fourth proportional to 247,458.46, 341,493.56 and 134,281.22 is: 185,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,458.46 : 341,493.56 = 134,281.22 : x
  2. Step 2: Convert to fraction form
    247,458.46/341,493.56 = 134,281.22/x
  3. Step 3: Cross multiply
    247,458.46x = 341,493.56 × 134,281.22
  4. Step 4: Simplify right side
    247,458.46x = 45,856,171,858.94
  5. Step 5: Solve for x
    x = 45,856,171,858.94/247,458.46
  6. Step 6: Final answer
    x = 185,308.56

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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.