Home / 463,110.28-639,119.12-259,159.44

Finding the Fourth Proportional to 463,110.28, 639,119.12 and 259,159.44

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Solution

The fourth proportional to 463,110.28, 639,119.12 and 259,159.44 is: 357,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,110.28 : 639,119.12 = 259,159.44 : x
  2. Step 2: Convert to fraction form
    463,110.28/639,119.12 = 259,159.44/x
  3. Step 3: Cross multiply
    463,110.28x = 639,119.12 × 259,159.44
  4. Step 4: Simplify right side
    463,110.28x = 165,633,753,232.49
  5. Step 5: Solve for x
    x = 165,633,753,232.49/463,110.28
  6. Step 6: Final answer
    x = 357,655.10

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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.