Home / 667,434.49-1,001,141.13-161,999.65

Finding the Fourth Proportional to 667,434.49, 1,001,141.13 and 161,999.65

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Solution

The fourth proportional to 667,434.49, 1,001,141.13 and 161,999.65 is: 242,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,434.49 : 1,001,141.13 = 161,999.65 : x
  2. Step 2: Convert to fraction form
    667,434.49/1,001,141.13 = 161,999.65/x
  3. Step 3: Cross multiply
    667,434.49x = 1,001,141.13 × 161,999.65
  4. Step 4: Simplify right side
    667,434.49x = 162,184,512,660.61
  5. Step 5: Solve for x
    x = 162,184,512,660.61/667,434.49
  6. Step 6: Final answer
    x = 242,996.90

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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.