Home / 266,788.36-400,082.10-108,932.32

Finding the Fourth Proportional to 266,788.36, 400,082.10 and 108,932.32

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Solution

The fourth proportional to 266,788.36, 400,082.10 and 108,932.32 is: 163,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,788.36 : 400,082.10 = 108,932.32 : x
  2. Step 2: Convert to fraction form
    266,788.36/400,082.10 = 108,932.32/x
  3. Step 3: Cross multiply
    266,788.36x = 400,082.10 × 108,932.32
  4. Step 4: Simplify right side
    266,788.36x = 43,581,871,343.47
  5. Step 5: Solve for x
    x = 43,581,871,343.47/266,788.36
  6. Step 6: Final answer
    x = 163,357.47

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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.