Home / 499,289.27-748,621.88-210,952.70

Finding the Fourth Proportional to 499,289.27, 748,621.88 and 210,952.70

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Solution

The fourth proportional to 499,289.27, 748,621.88 and 210,952.70 is: 316,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,289.27 : 748,621.88 = 210,952.70 : x
  2. Step 2: Convert to fraction form
    499,289.27/748,621.88 = 210,952.70/x
  3. Step 3: Cross multiply
    499,289.27x = 748,621.88 × 210,952.70
  4. Step 4: Simplify right side
    499,289.27x = 157,923,802,067.20
  5. Step 5: Solve for x
    x = 157,923,802,067.20/499,289.27
  6. Step 6: Final answer
    x = 316,297.21

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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.