Home / 208,781.28-313,169.18-51,011.10

Finding the Fourth Proportional to 208,781.28, 313,169.18 and 51,011.10

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Solution

The fourth proportional to 208,781.28, 313,169.18 and 51,011.10 is: 76,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,781.28 : 313,169.18 = 51,011.10 : x
  2. Step 2: Convert to fraction form
    208,781.28/313,169.18 = 51,011.10/x
  3. Step 3: Cross multiply
    208,781.28x = 313,169.18 × 51,011.10
  4. Step 4: Simplify right side
    208,781.28x = 15,975,102,792.05
  5. Step 5: Solve for x
    x = 15,975,102,792.05/208,781.28
  6. Step 6: Final answer
    x = 76,515.97

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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.