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Finding the Fourth Proportional to 332,649.97, 459,057.13 and 179,688.15

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Solution

The fourth proportional to 332,649.97, 459,057.13 and 179,688.15 is: 247,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,649.97 : 459,057.13 = 179,688.15 : x
  2. Step 2: Convert to fraction form
    332,649.97/459,057.13 = 179,688.15/x
  3. Step 3: Cross multiply
    332,649.97x = 459,057.13 × 179,688.15
  4. Step 4: Simplify right side
    332,649.97x = 82,487,127,930.86
  5. Step 5: Solve for x
    x = 82,487,127,930.86/332,649.97
  6. Step 6: Final answer
    x = 247,969.74

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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.