Home / 412,204.12-618,461.90-159,499.81

Finding the Fourth Proportional to 412,204.12, 618,461.90 and 159,499.81

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Solution

The fourth proportional to 412,204.12, 618,461.90 and 159,499.81 is: 239,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,204.12 : 618,461.90 = 159,499.81 : x
  2. Step 2: Convert to fraction form
    412,204.12/618,461.90 = 159,499.81/x
  3. Step 3: Cross multiply
    412,204.12x = 618,461.90 × 159,499.81
  4. Step 4: Simplify right side
    412,204.12x = 98,644,555,542.24
  5. Step 5: Solve for x
    x = 98,644,555,542.24/412,204.12
  6. Step 6: Final answer
    x = 239,309.97

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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.