Home / 410,832.10-616,766.55-221,443.30

Finding the Fourth Proportional to 410,832.10, 616,766.55 and 221,443.30

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Solution

The fourth proportional to 410,832.10, 616,766.55 and 221,443.30 is: 332,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,832.10 : 616,766.55 = 221,443.30 : x
  2. Step 2: Convert to fraction form
    410,832.10/616,766.55 = 221,443.30/x
  3. Step 3: Cross multiply
    410,832.10x = 616,766.55 × 221,443.30
  4. Step 4: Simplify right side
    410,832.10x = 136,578,820,161.62
  5. Step 5: Solve for x
    x = 136,578,820,161.62/410,832.10
  6. Step 6: Final answer
    x = 332,444.37

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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.