Home / 444,724.48-667,151.34-145,131.28

Finding the Fourth Proportional to 444,724.48, 667,151.34 and 145,131.28

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Solution

The fourth proportional to 444,724.48, 667,151.34 and 145,131.28 is: 217,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,724.48 : 667,151.34 = 145,131.28 : x
  2. Step 2: Convert to fraction form
    444,724.48/667,151.34 = 145,131.28/x
  3. Step 3: Cross multiply
    444,724.48x = 667,151.34 × 145,131.28
  4. Step 4: Simplify right side
    444,724.48x = 96,824,527,927.92
  5. Step 5: Solve for x
    x = 96,824,527,927.92/444,724.48
  6. Step 6: Final answer
    x = 217,718.01

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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.