Home / 229,972.02-344,959.56-80,211.75

Finding the Fourth Proportional to 229,972.02, 344,959.56 and 80,211.75

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Solution

The fourth proportional to 229,972.02, 344,959.56 and 80,211.75 is: 120,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972.02 : 344,959.56 = 80,211.75 : x
  2. Step 2: Convert to fraction form
    229,972.02/344,959.56 = 80,211.75/x
  3. Step 3: Cross multiply
    229,972.02x = 344,959.56 × 80,211.75
  4. Step 4: Simplify right side
    229,972.02x = 27,669,809,986.83
  5. Step 5: Solve for x
    x = 27,669,809,986.83/229,972.02
  6. Step 6: Final answer
    x = 120,318.16

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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.