Home / 231,789.80-347,943.90-179,431.40

Finding the Fourth Proportional to 231,789.80, 347,943.90 and 179,431.40

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Solution

The fourth proportional to 231,789.80, 347,943.90 and 179,431.40 is: 269,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,789.80 : 347,943.90 = 179,431.40 : x
  2. Step 2: Convert to fraction form
    231,789.80/347,943.90 = 179,431.40/x
  3. Step 3: Cross multiply
    231,789.80x = 347,943.90 × 179,431.40
  4. Step 4: Simplify right side
    231,789.80x = 62,432,061,098.46
  5. Step 5: Solve for x
    x = 62,432,061,098.46/231,789.80
  6. Step 6: Final answer
    x = 269,347.75

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1.5x scale

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.