Home / 203,280.62-304,865.85-84,927.20

Finding the Fourth Proportional to 203,280.62, 304,865.85 and 84,927.20

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Solution

The fourth proportional to 203,280.62, 304,865.85 and 84,927.20 is: 127,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,280.62 : 304,865.85 = 84,927.20 : x
  2. Step 2: Convert to fraction form
    203,280.62/304,865.85 = 84,927.20/x
  3. Step 3: Cross multiply
    203,280.62x = 304,865.85 × 84,927.20
  4. Step 4: Simplify right side
    203,280.62x = 25,891,403,016.12
  5. Step 5: Solve for x
    x = 25,891,403,016.12/203,280.62
  6. Step 6: Final answer
    x = 127,367.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.