Home / 400,301.28-552,869.28-272,755.44

Finding the Fourth Proportional to 400,301.28, 552,869.28 and 272,755.44

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Solution

The fourth proportional to 400,301.28, 552,869.28 and 272,755.44 is: 376,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,301.28 : 552,869.28 = 272,755.44 : x
  2. Step 2: Convert to fraction form
    400,301.28/552,869.28 = 272,755.44/x
  3. Step 3: Cross multiply
    400,301.28x = 552,869.28 × 272,755.44
  4. Step 4: Simplify right side
    400,301.28x = 150,798,103,728.88
  5. Step 5: Solve for x
    x = 150,798,103,728.88/400,301.28
  6. Step 6: Final answer
    x = 376,711.52

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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.