Home / 208,816.28-313,224.78-51,044.84

Finding the Fourth Proportional to 208,816.28, 313,224.78 and 51,044.84

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Solution

The fourth proportional to 208,816.28, 313,224.78 and 51,044.84 is: 76,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,816.28 : 313,224.78 = 51,044.84 : x
  2. Step 2: Convert to fraction form
    208,816.28/313,224.78 = 51,044.84/x
  3. Step 3: Cross multiply
    208,816.28x = 313,224.78 × 51,044.84
  4. Step 4: Simplify right side
    208,816.28x = 15,988,508,779.14
  5. Step 5: Solve for x
    x = 15,988,508,779.14/208,816.28
  6. Step 6: Final answer
    x = 76,567.35

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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.