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Finding the Fourth Proportional to 441,960, 662,879.52 and 126,444.48

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Solution

The fourth proportional to 441,960, 662,879.52 and 126,444.48 is: 189,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,960 : 662,879.52 = 126,444.48 : x
  2. Step 2: Convert to fraction form
    441,960/662,879.52 = 126,444.48/x
  3. Step 3: Cross multiply
    441,960x = 662,879.52 × 126,444.48
  4. Step 4: Simplify right side
    441,960x = 83,817,456,209.05
  5. Step 5: Solve for x
    x = 83,817,456,209.05/441,960
  6. Step 6: Final answer
    x = 189,649.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.