Home / 300,611.22-414,844.05-162,789.78

Finding the Fourth Proportional to 300,611.22, 414,844.05 and 162,789.78

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Solution

The fourth proportional to 300,611.22, 414,844.05 and 162,789.78 is: 224,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,611.22 : 414,844.05 = 162,789.78 : x
  2. Step 2: Convert to fraction form
    300,611.22/414,844.05 = 162,789.78/x
  3. Step 3: Cross multiply
    300,611.22x = 414,844.05 × 162,789.78
  4. Step 4: Simplify right side
    300,611.22x = 67,532,371,633.81
  5. Step 5: Solve for x
    x = 67,532,371,633.81/300,611.22
  6. Step 6: Final answer
    x = 224,650.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.