Home / 267,180.33-400,796.82-77,642.36

Finding the Fourth Proportional to 267,180.33, 400,796.82 and 77,642.36

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Solution

The fourth proportional to 267,180.33, 400,796.82 and 77,642.36 is: 116,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,180.33 : 400,796.82 = 77,642.36 : x
  2. Step 2: Convert to fraction form
    267,180.33/400,796.82 = 77,642.36/x
  3. Step 3: Cross multiply
    267,180.33x = 400,796.82 × 77,642.36
  4. Step 4: Simplify right side
    267,180.33x = 31,118,808,593.10
  5. Step 5: Solve for x
    x = 31,118,808,593.10/267,180.33
  6. Step 6: Final answer
    x = 116,471.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.