Home / 379,920.27-524,266.92-207,805.80

Finding the Fourth Proportional to 379,920.27, 524,266.92 and 207,805.80

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Solution

The fourth proportional to 379,920.27, 524,266.92 and 207,805.80 is: 286,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,920.27 : 524,266.92 = 207,805.80 : x
  2. Step 2: Convert to fraction form
    379,920.27/524,266.92 = 207,805.80/x
  3. Step 3: Cross multiply
    379,920.27x = 524,266.92 × 207,805.80
  4. Step 4: Simplify right side
    379,920.27x = 108,945,706,724.14
  5. Step 5: Solve for x
    x = 108,945,706,724.14/379,920.27
  6. Step 6: Final answer
    x = 286,759.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.