Home / 222,147.52-306,244.68-158,374.60

Finding the Fourth Proportional to 222,147.52, 306,244.68 and 158,374.60

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Solution

The fourth proportional to 222,147.52, 306,244.68 and 158,374.60 is: 218,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,147.52 : 306,244.68 = 158,374.60 : x
  2. Step 2: Convert to fraction form
    222,147.52/306,244.68 = 158,374.60/x
  3. Step 3: Cross multiply
    222,147.52x = 306,244.68 × 158,374.60
  4. Step 4: Simplify right side
    222,147.52x = 48,501,378,697.13
  5. Step 5: Solve for x
    x = 48,501,378,697.13/222,147.52
  6. Step 6: Final answer
    x = 218,329.60

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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.