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Finding the Fourth Proportional to 222,546.80, 333,820.20 and 89,447.60

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Solution

The fourth proportional to 222,546.80, 333,820.20 and 89,447.60 is: 134,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,546.80 : 333,820.20 = 89,447.60 : x
  2. Step 2: Convert to fraction form
    222,546.80/333,820.20 = 89,447.60/x
  3. Step 3: Cross multiply
    222,546.80x = 333,820.20 × 89,447.60
  4. Step 4: Simplify right side
    222,546.80x = 29,859,415,721.52
  5. Step 5: Solve for x
    x = 29,859,415,721.52/222,546.80
  6. Step 6: Final answer
    x = 134,171.40

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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.