Home / 463,114.56-639,021.05-272,164.86

Finding the Fourth Proportional to 463,114.56, 639,021.05 and 272,164.86

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Solution

The fourth proportional to 463,114.56, 639,021.05 and 272,164.86 is: 375,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,114.56 : 639,021.05 = 272,164.86 : x
  2. Step 2: Convert to fraction form
    463,114.56/639,021.05 = 272,164.86/x
  3. Step 3: Cross multiply
    463,114.56x = 639,021.05 × 272,164.86
  4. Step 4: Simplify right side
    463,114.56x = 173,919,074,270.10
  5. Step 5: Solve for x
    x = 173,919,074,270.10/463,114.56
  6. Step 6: Final answer
    x = 375,542.23

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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.