Home / 444,723.48-667,149.84-145,130.28

Finding the Fourth Proportional to 444,723.48, 667,149.84 and 145,130.28

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Solution

The fourth proportional to 444,723.48, 667,149.84 and 145,130.28 is: 217,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,723.48 : 667,149.84 = 145,130.28 : x
  2. Step 2: Convert to fraction form
    444,723.48/667,149.84 = 145,130.28/x
  3. Step 3: Cross multiply
    444,723.48x = 667,149.84 × 145,130.28
  4. Step 4: Simplify right side
    444,723.48x = 96,823,643,081.16
  5. Step 5: Solve for x
    x = 96,823,643,081.16/444,723.48
  6. Step 6: Final answer
    x = 217,716.51

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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.