Home / 441,630.30-662,445.45-126,046.20

Finding the Fourth Proportional to 441,630.30, 662,445.45 and 126,046.20

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Solution

The fourth proportional to 441,630.30, 662,445.45 and 126,046.20 is: 189,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,630.30 : 662,445.45 = 126,046.20 : x
  2. Step 2: Convert to fraction form
    441,630.30/662,445.45 = 126,046.20/x
  3. Step 3: Cross multiply
    441,630.30x = 662,445.45 × 126,046.20
  4. Step 4: Simplify right side
    441,630.30x = 83,498,731,679.79
  5. Step 5: Solve for x
    x = 83,498,731,679.79/441,630.30
  6. Step 6: Final answer
    x = 189,069.30

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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.