Home / 231,285.30-347,230.09-185,717.33

Finding the Fourth Proportional to 231,285.30, 347,230.09 and 185,717.33

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Solution

The fourth proportional to 231,285.30, 347,230.09 and 185,717.33 is: 278,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,285.30 : 347,230.09 = 185,717.33 : x
  2. Step 2: Convert to fraction form
    231,285.30/347,230.09 = 185,717.33/x
  3. Step 3: Cross multiply
    231,285.30x = 347,230.09 × 185,717.33
  4. Step 4: Simplify right side
    231,285.30x = 64,486,643,963.91
  5. Step 5: Solve for x
    x = 64,486,643,963.91/231,285.30
  6. Step 6: Final answer
    x = 278,818.61

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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.