Home / 203,330.31-304,909.07-83,304.63

Finding the Fourth Proportional to 203,330.31, 304,909.07 and 83,304.63

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Solution

The fourth proportional to 203,330.31, 304,909.07 and 83,304.63 is: 124,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,330.31 : 304,909.07 = 83,304.63 : x
  2. Step 2: Convert to fraction form
    203,330.31/304,909.07 = 83,304.63/x
  3. Step 3: Cross multiply
    203,330.31x = 304,909.07 × 83,304.63
  4. Step 4: Simplify right side
    203,330.31x = 25,400,336,843.47
  5. Step 5: Solve for x
    x = 25,400,336,843.47/203,330.31
  6. Step 6: Final answer
    x = 124,921.55

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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.