Home / 609,212.95-913,959.55-204,458.85

Finding the Fourth Proportional to 609,212.95, 913,959.55 and 204,458.85

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Solution

The fourth proportional to 609,212.95, 913,959.55 and 204,458.85 is: 306,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,212.95 : 913,959.55 = 204,458.85 : x
  2. Step 2: Convert to fraction form
    609,212.95/913,959.55 = 204,458.85/x
  3. Step 3: Cross multiply
    609,212.95x = 913,959.55 × 204,458.85
  4. Step 4: Simplify right side
    609,212.95x = 186,867,118,795.09
  5. Step 5: Solve for x
    x = 186,867,118,795.09/609,212.95
  6. Step 6: Final answer
    x = 306,735.30

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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.