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Finding the Fourth Proportional to 222,227.80, 333,341.70 and 89,128.60

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Solution

The fourth proportional to 222,227.80, 333,341.70 and 89,128.60 is: 133,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,227.80 : 333,341.70 = 89,128.60 : x
  2. Step 2: Convert to fraction form
    222,227.80/333,341.70 = 89,128.60/x
  3. Step 3: Cross multiply
    222,227.80x = 333,341.70 × 89,128.60
  4. Step 4: Simplify right side
    222,227.80x = 29,710,279,042.62
  5. Step 5: Solve for x
    x = 29,710,279,042.62/222,227.80
  6. Step 6: Final answer
    x = 133,692.90

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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.