Home / 382,540.24-573,880.02-126,387.46

Finding the Fourth Proportional to 382,540.24, 573,880.02 and 126,387.46

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Solution

The fourth proportional to 382,540.24, 573,880.02 and 126,387.46 is: 189,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,540.24 : 573,880.02 = 126,387.46 : x
  2. Step 2: Convert to fraction form
    382,540.24/573,880.02 = 126,387.46/x
  3. Step 3: Cross multiply
    382,540.24x = 573,880.02 × 126,387.46
  4. Step 4: Simplify right side
    382,540.24x = 72,531,238,072.55
  5. Step 5: Solve for x
    x = 72,531,238,072.55/382,540.24
  6. Step 6: Final answer
    x = 189,604.20

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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.