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Finding the Fourth Proportional to 333,179.87, 499,769.39 and 108,539.93

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Solution

The fourth proportional to 333,179.87, 499,769.39 and 108,539.93 is: 162,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,179.87 : 499,769.39 = 108,539.93 : x
  2. Step 2: Convert to fraction form
    333,179.87/499,769.39 = 108,539.93/x
  3. Step 3: Cross multiply
    333,179.87x = 499,769.39 × 108,539.93
  4. Step 4: Simplify right side
    333,179.87x = 54,244,931,565.20
  5. Step 5: Solve for x
    x = 54,244,931,565.20/333,179.87
  6. Step 6: Final answer
    x = 162,809.75

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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.