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Finding the Fourth Proportional to 225,543.60, 338,401.80 and 222,001.20

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Solution

The fourth proportional to 225,543.60, 338,401.80 and 222,001.20 is: 333,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,543.60 : 338,401.80 = 222,001.20 : x
  2. Step 2: Convert to fraction form
    225,543.60/338,401.80 = 222,001.20/x
  3. Step 3: Cross multiply
    225,543.60x = 338,401.80 × 222,001.20
  4. Step 4: Simplify right side
    225,543.60x = 75,125,605,682.16
  5. Step 5: Solve for x
    x = 75,125,605,682.16/225,543.60
  6. Step 6: Final answer
    x = 333,086.84

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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.