Home / 266,983.46-368,435.85-144,475.75

Finding the Fourth Proportional to 266,983.46, 368,435.85 and 144,475.75

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Solution

The fourth proportional to 266,983.46, 368,435.85 and 144,475.75 is: 199,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,983.46 : 368,435.85 = 144,475.75 : x
  2. Step 2: Convert to fraction form
    266,983.46/368,435.85 = 144,475.75/x
  3. Step 3: Cross multiply
    266,983.46x = 368,435.85 × 144,475.75
  4. Step 4: Simplify right side
    266,983.46x = 53,230,045,033.26
  5. Step 5: Solve for x
    x = 53,230,045,033.26/266,983.46
  6. Step 6: Final answer
    x = 199,375.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.