Home / 208,452.28-312,678.78-50,680.84

Finding the Fourth Proportional to 208,452.28, 312,678.78 and 50,680.84

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Solution

The fourth proportional to 208,452.28, 312,678.78 and 50,680.84 is: 76,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,452.28 : 312,678.78 = 50,680.84 : x
  2. Step 2: Convert to fraction form
    208,452.28/312,678.78 = 50,680.84/x
  3. Step 3: Cross multiply
    208,452.28x = 312,678.78 × 50,680.84
  4. Step 4: Simplify right side
    208,452.28x = 15,846,823,220.58
  5. Step 5: Solve for x
    x = 15,846,823,220.58/208,452.28
  6. Step 6: Final answer
    x = 76,021.35

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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.