Home / 209,489.39-314,234.73-51,717.86

Finding the Fourth Proportional to 209,489.39, 314,234.73 and 51,717.86

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Solution

The fourth proportional to 209,489.39, 314,234.73 and 51,717.86 is: 77,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,489.39 : 314,234.73 = 51,717.86 : x
  2. Step 2: Convert to fraction form
    209,489.39/314,234.73 = 51,717.86/x
  3. Step 3: Cross multiply
    209,489.39x = 314,234.73 × 51,717.86
  4. Step 4: Simplify right side
    209,489.39x = 16,251,546,202.10
  5. Step 5: Solve for x
    x = 16,251,546,202.10/209,489.39
  6. Step 6: Final answer
    x = 77,576.94

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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.