Home / 458,896.27-688,108.04-205,959.92

Finding the Fourth Proportional to 458,896.27, 688,108.04 and 205,959.92

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Solution

The fourth proportional to 458,896.27, 688,108.04 and 205,959.92 is: 308,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,896.27 : 688,108.04 = 205,959.92 : x
  2. Step 2: Convert to fraction form
    458,896.27/688,108.04 = 205,959.92/x
  3. Step 3: Cross multiply
    458,896.27x = 688,108.04 × 205,959.92
  4. Step 4: Simplify right side
    458,896.27x = 141,722,679,104.93
  5. Step 5: Solve for x
    x = 141,722,679,104.93/458,896.27
  6. Step 6: Final answer
    x = 308,833.80

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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.