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Finding the Fourth Proportional to 150,987.60, 226,481.40 and 101,221.20

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Solution

The fourth proportional to 150,987.60, 226,481.40 and 101,221.20 is: 151,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,987.60 : 226,481.40 = 101,221.20 : x
  2. Step 2: Convert to fraction form
    150,987.60/226,481.40 = 101,221.20/x
  3. Step 3: Cross multiply
    150,987.60x = 226,481.40 × 101,221.20
  4. Step 4: Simplify right side
    150,987.60x = 22,924,719,085.68
  5. Step 5: Solve for x
    x = 22,924,719,085.68/150,987.60
  6. Step 6: Final answer
    x = 151,831.80

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1.5x scale

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.