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Finding the Fourth Proportional to 222,216.68, 306,340.26 and 158,443.88

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Solution

The fourth proportional to 222,216.68, 306,340.26 and 158,443.88 is: 218,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,216.68 : 306,340.26 = 158,443.88 : x
  2. Step 2: Convert to fraction form
    222,216.68/306,340.26 = 158,443.88/x
  3. Step 3: Cross multiply
    222,216.68x = 306,340.26 × 158,443.88
  4. Step 4: Simplify right side
    222,216.68x = 48,537,739,394.61
  5. Step 5: Solve for x
    x = 48,537,739,394.61/222,216.68
  6. Step 6: Final answer
    x = 218,425.27

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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.