Home / 378,169.79-522,008.03-337,813.43

Finding the Fourth Proportional to 378,169.79, 522,008.03 and 337,813.43

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Solution

The fourth proportional to 378,169.79, 522,008.03 and 337,813.43 is: 466,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,169.79 : 522,008.03 = 337,813.43 : x
  2. Step 2: Convert to fraction form
    378,169.79/522,008.03 = 337,813.43/x
  3. Step 3: Cross multiply
    378,169.79x = 522,008.03 × 337,813.43
  4. Step 4: Simplify right side
    378,169.79x = 176,341,321,412.78
  5. Step 5: Solve for x
    x = 176,341,321,412.78/378,169.79
  6. Step 6: Final answer
    x = 466,301.98

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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.