Home / 363,449.20-544,979.40-126,799.60

Finding the Fourth Proportional to 363,449.20, 544,979.40 and 126,799.60

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Solution

The fourth proportional to 363,449.20, 544,979.40 and 126,799.60 is: 190,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,449.20 : 544,979.40 = 126,799.60 : x
  2. Step 2: Convert to fraction form
    363,449.20/544,979.40 = 126,799.60/x
  3. Step 3: Cross multiply
    363,449.20x = 544,979.40 × 126,799.60
  4. Step 4: Simplify right side
    363,449.20x = 69,103,169,928.24
  5. Step 5: Solve for x
    x = 69,103,169,928.24/363,449.20
  6. Step 6: Final answer
    x = 190,131.58

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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.