Home / 463,112.10-639,220.41-272,186.82

Finding the Fourth Proportional to 463,112.10, 639,220.41 and 272,186.82

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Solution

The fourth proportional to 463,112.10, 639,220.41 and 272,186.82 is: 375,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,112.10 : 639,220.41 = 272,186.82 : x
  2. Step 2: Convert to fraction form
    463,112.10/639,220.41 = 272,186.82/x
  3. Step 3: Cross multiply
    463,112.10x = 639,220.41 × 272,186.82
  4. Step 4: Simplify right side
    463,112.10x = 173,987,370,677.00
  5. Step 5: Solve for x
    x = 173,987,370,677.00/463,112.10
  6. Step 6: Final answer
    x = 375,691.70

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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.