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Finding the Fourth Proportional to 266,016.96, 399,025.44 and 177,443.46

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Solution

The fourth proportional to 266,016.96, 399,025.44 and 177,443.46 is: 266,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,016.96 : 399,025.44 = 177,443.46 : x
  2. Step 2: Convert to fraction form
    266,016.96/399,025.44 = 177,443.46/x
  3. Step 3: Cross multiply
    266,016.96x = 399,025.44 × 177,443.46
  4. Step 4: Simplify right side
    266,016.96x = 70,804,454,701.62
  5. Step 5: Solve for x
    x = 70,804,454,701.62/266,016.96
  6. Step 6: Final answer
    x = 266,165.19

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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.