Home / 382,789.52-573,991.20-222,917.12

Finding the Fourth Proportional to 382,789.52, 573,991.20 and 222,917.12

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Solution

The fourth proportional to 382,789.52, 573,991.20 and 222,917.12 is: 334,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,789.52 : 573,991.20 = 222,917.12 : x
  2. Step 2: Convert to fraction form
    382,789.52/573,991.20 = 222,917.12/x
  3. Step 3: Cross multiply
    382,789.52x = 573,991.20 × 222,917.12
  4. Step 4: Simplify right side
    382,789.52x = 127,952,465,209.34
  5. Step 5: Solve for x
    x = 127,952,465,209.34/382,789.52
  6. Step 6: Final answer
    x = 334,263.24

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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.