Home / 222,819.34-307,530-132,225.26

Finding the Fourth Proportional to 222,819.34, 307,530 and 132,225.26

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Solution

The fourth proportional to 222,819.34, 307,530 and 132,225.26 is: 182,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,819.34 : 307,530 = 132,225.26 : x
  2. Step 2: Convert to fraction form
    222,819.34/307,530 = 132,225.26/x
  3. Step 3: Cross multiply
    222,819.34x = 307,530 × 132,225.26
  4. Step 4: Simplify right side
    222,819.34x = 40,663,234,207.80
  5. Step 5: Solve for x
    x = 40,663,234,207.80/222,819.34
  6. Step 6: Final answer
    x = 182,494.19

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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.