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Finding the Fourth Proportional to 222,351.31, 306,842.61 and 120,374.08

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Solution

The fourth proportional to 222,351.31, 306,842.61 and 120,374.08 is: 166,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,351.31 : 306,842.61 = 120,374.08 : x
  2. Step 2: Convert to fraction form
    222,351.31/306,842.61 = 120,374.08/x
  3. Step 3: Cross multiply
    222,351.31x = 306,842.61 × 120,374.08
  4. Step 4: Simplify right side
    222,351.31x = 36,935,896,567.85
  5. Step 5: Solve for x
    x = 36,935,896,567.85/222,351.31
  6. Step 6: Final answer
    x = 166,115.04

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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.