Home / 465,180.80-642,018.92-283,997.75

Finding the Fourth Proportional to 465,180.80, 642,018.92 and 283,997.75

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Solution

The fourth proportional to 465,180.80, 642,018.92 and 283,997.75 is: 391,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,180.80 : 642,018.92 = 283,997.75 : x
  2. Step 2: Convert to fraction form
    465,180.80/642,018.92 = 283,997.75/x
  3. Step 3: Cross multiply
    465,180.80x = 642,018.92 × 283,997.75
  4. Step 4: Simplify right side
    465,180.80x = 182,331,924,107.35
  5. Step 5: Solve for x
    x = 182,331,924,107.35/465,180.80
  6. Step 6: Final answer
    x = 391,959.27

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1.5x scale

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.