Home / 222,239.94-306,691.11-120,265.40

Finding the Fourth Proportional to 222,239.94, 306,691.11 and 120,265.40

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Solution

The fourth proportional to 222,239.94, 306,691.11 and 120,265.40 is: 165,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,239.94 : 306,691.11 = 120,265.40 : x
  2. Step 2: Convert to fraction form
    222,239.94/306,691.11 = 120,265.40/x
  3. Step 3: Cross multiply
    222,239.94x = 306,691.11 × 120,265.40
  4. Step 4: Simplify right side
    222,239.94x = 36,884,328,924.75
  5. Step 5: Solve for x
    x = 36,884,328,924.75/222,239.94
  6. Step 6: Final answer
    x = 165,966.25

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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.