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Finding the Fourth Proportional to 440,578.08, 660,867.75 and 108,154.08

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Solution

The fourth proportional to 440,578.08, 660,867.75 and 108,154.08 is: 162,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,578.08 : 660,867.75 = 108,154.08 : x
  2. Step 2: Convert to fraction form
    440,578.08/660,867.75 = 108,154.08/x
  3. Step 3: Cross multiply
    440,578.08x = 660,867.75 × 108,154.08
  4. Step 4: Simplify right side
    440,578.08x = 71,475,543,502.92
  5. Step 5: Solve for x
    x = 71,475,543,502.92/440,578.08
  6. Step 6: Final answer
    x = 162,231.27

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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.