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Finding the Fourth Proportional to 247,562.64, 341,608.32 and 138,671.10

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Solution

The fourth proportional to 247,562.64, 341,608.32 and 138,671.10 is: 191,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,562.64 : 341,608.32 = 138,671.10 : x
  2. Step 2: Convert to fraction form
    247,562.64/341,608.32 = 138,671.10/x
  3. Step 3: Cross multiply
    247,562.64x = 341,608.32 × 138,671.10
  4. Step 4: Simplify right side
    247,562.64x = 47,371,201,503.55
  5. Step 5: Solve for x
    x = 47,371,201,503.55/247,562.64
  6. Step 6: Final answer
    x = 191,350.36

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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.