Home / 272,159.20-408,238.96-148,287.52

Finding the Fourth Proportional to 272,159.20, 408,238.96 and 148,287.52

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Solution

The fourth proportional to 272,159.20, 408,238.96 and 148,287.52 is: 222,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,159.20 : 408,238.96 = 148,287.52 : x
  2. Step 2: Convert to fraction form
    272,159.20/408,238.96 = 148,287.52/x
  3. Step 3: Cross multiply
    272,159.20x = 408,238.96 × 148,287.52
  4. Step 4: Simplify right side
    272,159.20x = 60,536,742,945.78
  5. Step 5: Solve for x
    x = 60,536,742,945.78/272,159.20
  6. Step 6: Final answer
    x = 222,431.37

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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.