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Finding the Fourth Proportional to 483,337.86, 725,287.65 and 199,057.02

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Solution

The fourth proportional to 483,337.86, 725,287.65 and 199,057.02 is: 298,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,337.86 : 725,287.65 = 199,057.02 : x
  2. Step 2: Convert to fraction form
    483,337.86/725,287.65 = 199,057.02/x
  3. Step 3: Cross multiply
    483,337.86x = 725,287.65 × 199,057.02
  4. Step 4: Simplify right side
    483,337.86x = 144,373,598,251.80
  5. Step 5: Solve for x
    x = 144,373,598,251.80/483,337.86
  6. Step 6: Final answer
    x = 298,701.20

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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.