Home / 379,542.12-523,759-207,452.36

Finding the Fourth Proportional to 379,542.12, 523,759 and 207,452.36

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Solution

The fourth proportional to 379,542.12, 523,759 and 207,452.36 is: 286,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,542.12 : 523,759 = 207,452.36 : x
  2. Step 2: Convert to fraction form
    379,542.12/523,759 = 207,452.36/x
  3. Step 3: Cross multiply
    379,542.12x = 523,759 × 207,452.36
  4. Step 4: Simplify right side
    379,542.12x = 108,655,040,621.24
  5. Step 5: Solve for x
    x = 108,655,040,621.24/379,542.12
  6. Step 6: Final answer
    x = 286,279.27

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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.