Home / 222,172.52-306,279.12-158,399.60

Finding the Fourth Proportional to 222,172.52, 306,279.12 and 158,399.60

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Solution

The fourth proportional to 222,172.52, 306,279.12 and 158,399.60 is: 218,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,172.52 : 306,279.12 = 158,399.60 : x
  2. Step 2: Convert to fraction form
    222,172.52/306,279.12 = 158,399.60/x
  3. Step 3: Cross multiply
    222,172.52x = 306,279.12 × 158,399.60
  4. Step 4: Simplify right side
    222,172.52x = 48,514,490,096.35
  5. Step 5: Solve for x
    x = 48,514,490,096.35/222,172.52
  6. Step 6: Final answer
    x = 218,364.04

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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.