Home / 266,775.07-400,162.61-109,003.38

Finding the Fourth Proportional to 266,775.07, 400,162.61 and 109,003.38

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Solution

The fourth proportional to 266,775.07, 400,162.61 and 109,003.38 is: 163,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,775.07 : 400,162.61 = 109,003.38 : x
  2. Step 2: Convert to fraction form
    266,775.07/400,162.61 = 109,003.38/x
  3. Step 3: Cross multiply
    266,775.07x = 400,162.61 × 109,003.38
  4. Step 4: Simplify right side
    266,775.07x = 43,619,077,039.62
  5. Step 5: Solve for x
    x = 43,619,077,039.62/266,775.07
  6. Step 6: Final answer
    x = 163,505.07

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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.