Home / 325,723.70-488,585.55-207,917.30

Finding the Fourth Proportional to 325,723.70, 488,585.55 and 207,917.30

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Solution

The fourth proportional to 325,723.70, 488,585.55 and 207,917.30 is: 311,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,723.70 : 488,585.55 = 207,917.30 : x
  2. Step 2: Convert to fraction form
    325,723.70/488,585.55 = 207,917.30/x
  3. Step 3: Cross multiply
    325,723.70x = 488,585.55 × 207,917.30
  4. Step 4: Simplify right side
    325,723.70x = 101,585,388,375.02
  5. Step 5: Solve for x
    x = 101,585,388,375.02/325,723.70
  6. Step 6: Final answer
    x = 311,875.95

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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.