Home / 444,647.40-667,068.30-145,141.80

Finding the Fourth Proportional to 444,647.40, 667,068.30 and 145,141.80

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Solution

The fourth proportional to 444,647.40, 667,068.30 and 145,141.80 is: 217,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,647.40 : 667,068.30 = 145,141.80 : x
  2. Step 2: Convert to fraction form
    444,647.40/667,068.30 = 145,141.80/x
  3. Step 3: Cross multiply
    444,647.40x = 667,068.30 × 145,141.80
  4. Step 4: Simplify right side
    444,647.40x = 96,819,493,784.94
  5. Step 5: Solve for x
    x = 96,819,493,784.94/444,647.40
  6. Step 6: Final answer
    x = 217,744.43

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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.