Home / 646,052.13-969,188.90-219,542.85

Finding the Fourth Proportional to 646,052.13, 969,188.90 and 219,542.85

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Solution

The fourth proportional to 646,052.13, 969,188.90 and 219,542.85 is: 329,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,052.13 : 969,188.90 = 219,542.85 : x
  2. Step 2: Convert to fraction form
    646,052.13/969,188.90 = 219,542.85/x
  3. Step 3: Cross multiply
    646,052.13x = 969,188.90 × 219,542.85
  4. Step 4: Simplify right side
    646,052.13x = 212,778,492,196.65
  5. Step 5: Solve for x
    x = 212,778,492,196.65/646,052.13
  6. Step 6: Final answer
    x = 329,351.89

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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.