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Finding the Fourth Proportional to 222,722.60, 307,401.84 and 132,128.85

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Solution

The fourth proportional to 222,722.60, 307,401.84 and 132,128.85 is: 182,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,722.60 : 307,401.84 = 132,128.85 : x
  2. Step 2: Convert to fraction form
    222,722.60/307,401.84 = 132,128.85/x
  3. Step 3: Cross multiply
    222,722.60x = 307,401.84 × 132,128.85
  4. Step 4: Simplify right side
    222,722.60x = 40,616,652,759.84
  5. Step 5: Solve for x
    x = 40,616,652,759.84/222,722.60
  6. Step 6: Final answer
    x = 182,364.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.