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Finding the Fourth Proportional to 444,896.65, 667,376.10 and 178,657.16

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Solution

The fourth proportional to 444,896.65, 667,376.10 and 178,657.16 is: 267,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,896.65 : 667,376.10 = 178,657.16 : x
  2. Step 2: Convert to fraction form
    444,896.65/667,376.10 = 178,657.16/x
  3. Step 3: Cross multiply
    444,896.65x = 667,376.10 × 178,657.16
  4. Step 4: Simplify right side
    444,896.65x = 119,231,518,677.88
  5. Step 5: Solve for x
    x = 119,231,518,677.88/444,896.65
  6. Step 6: Final answer
    x = 267,998.24

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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.