Home / 279,532.03-419,301.68-79,858.93

Finding the Fourth Proportional to 279,532.03, 419,301.68 and 79,858.93

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Solution

The fourth proportional to 279,532.03, 419,301.68 and 79,858.93 is: 119,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,532.03 : 419,301.68 = 79,858.93 : x
  2. Step 2: Convert to fraction form
    279,532.03/419,301.68 = 79,858.93/x
  3. Step 3: Cross multiply
    279,532.03x = 419,301.68 × 79,858.93
  4. Step 4: Simplify right side
    279,532.03x = 33,484,983,512.00
  5. Step 5: Solve for x
    x = 33,484,983,512.00/279,532.03
  6. Step 6: Final answer
    x = 119,789.43

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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.