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Finding the Fourth Proportional to 222,189.52, 306,302.58 and 158,416.60

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Solution

The fourth proportional to 222,189.52, 306,302.58 and 158,416.60 is: 218,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,189.52 : 306,302.58 = 158,416.60 : x
  2. Step 2: Convert to fraction form
    222,189.52/306,302.58 = 158,416.60/x
  3. Step 3: Cross multiply
    222,189.52x = 306,302.58 × 158,416.60
  4. Step 4: Simplify right side
    222,189.52x = 48,523,413,294.83
  5. Step 5: Solve for x
    x = 48,523,413,294.83/222,189.52
  6. Step 6: Final answer
    x = 218,387.50

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