Home / 667,178.01-1,000,769.36-161,736.93

Finding the Fourth Proportional to 667,178.01, 1,000,769.36 and 161,736.93

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Solution

The fourth proportional to 667,178.01, 1,000,769.36 and 161,736.93 is: 242,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,178.01 : 1,000,769.36 = 161,736.93 : x
  2. Step 2: Convert to fraction form
    667,178.01/1,000,769.36 = 161,736.93/x
  3. Step 3: Cross multiply
    667,178.01x = 1,000,769.36 × 161,736.93
  4. Step 4: Simplify right side
    667,178.01x = 161,861,363,115.78
  5. Step 5: Solve for x
    x = 161,861,363,115.78/667,178.01
  6. Step 6: Final answer
    x = 242,605.96

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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.