Home / 266,777.10-400,017.94-109,116.28

Finding the Fourth Proportional to 266,777.10, 400,017.94 and 109,116.28

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Solution

The fourth proportional to 266,777.10, 400,017.94 and 109,116.28 is: 163,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,777.10 : 400,017.94 = 109,116.28 : x
  2. Step 2: Convert to fraction form
    266,777.10/400,017.94 = 109,116.28/x
  3. Step 3: Cross multiply
    266,777.10x = 400,017.94 × 109,116.28
  4. Step 4: Simplify right side
    266,777.10x = 43,648,469,546.06
  5. Step 5: Solve for x
    x = 43,648,469,546.06/266,777.10
  6. Step 6: Final answer
    x = 163,614.00

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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.