Home / 313,016.28-469,561.68-99,709.26

Finding the Fourth Proportional to 313,016.28, 469,561.68 and 99,709.26

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Solution

The fourth proportional to 313,016.28, 469,561.68 and 99,709.26 is: 149,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,016.28 : 469,561.68 = 99,709.26 : x
  2. Step 2: Convert to fraction form
    313,016.28/469,561.68 = 99,709.26/x
  3. Step 3: Cross multiply
    313,016.28x = 469,561.68 × 99,709.26
  4. Step 4: Simplify right side
    313,016.28x = 46,819,647,637.16
  5. Step 5: Solve for x
    x = 46,819,647,637.16/313,016.28
  6. Step 6: Final answer
    x = 149,575.76

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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.