Home / 208,242.22-312,363.33-50,470.68

Finding the Fourth Proportional to 208,242.22, 312,363.33 and 50,470.68

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Solution

The fourth proportional to 208,242.22, 312,363.33 and 50,470.68 is: 75,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,242.22 : 312,363.33 = 50,470.68 : x
  2. Step 2: Convert to fraction form
    208,242.22/312,363.33 = 50,470.68/x
  3. Step 3: Cross multiply
    208,242.22x = 312,363.33 × 50,470.68
  4. Step 4: Simplify right side
    208,242.22x = 15,765,189,672.16
  5. Step 5: Solve for x
    x = 15,765,189,672.16/208,242.22
  6. Step 6: Final answer
    x = 75,706.02

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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.