Home / 266,677.07-400,016-108,905.53

Finding the Fourth Proportional to 266,677.07, 400,016 and 108,905.53

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Solution

The fourth proportional to 266,677.07, 400,016 and 108,905.53 is: 163,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,677.07 : 400,016 = 108,905.53 : x
  2. Step 2: Convert to fraction form
    266,677.07/400,016 = 108,905.53/x
  3. Step 3: Cross multiply
    266,677.07x = 400,016 × 108,905.53
  4. Step 4: Simplify right side
    266,677.07x = 43,563,954,488.48
  5. Step 5: Solve for x
    x = 43,563,954,488.48/266,677.07
  6. Step 6: Final answer
    x = 163,358.46

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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.