Home / 444,899.16-667,434.59-145,299.19

Finding the Fourth Proportional to 444,899.16, 667,434.59 and 145,299.19

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Solution

The fourth proportional to 444,899.16, 667,434.59 and 145,299.19 is: 217,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,899.16 : 667,434.59 = 145,299.19 : x
  2. Step 2: Convert to fraction form
    444,899.16/667,434.59 = 145,299.19/x
  3. Step 3: Cross multiply
    444,899.16x = 667,434.59 × 145,299.19
  4. Step 4: Simplify right side
    444,899.16x = 96,977,705,304.98
  5. Step 5: Solve for x
    x = 96,977,705,304.98/444,899.16
  6. Step 6: Final answer
    x = 217,976.82

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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.