Home / 301,278.62-451,915.97-76,637.13

Finding the Fourth Proportional to 301,278.62, 451,915.97 and 76,637.13

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Solution

The fourth proportional to 301,278.62, 451,915.97 and 76,637.13 is: 114,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,278.62 : 451,915.97 = 76,637.13 : x
  2. Step 2: Convert to fraction form
    301,278.62/451,915.97 = 76,637.13/x
  3. Step 3: Cross multiply
    301,278.62x = 451,915.97 × 76,637.13
  4. Step 4: Simplify right side
    301,278.62x = 34,633,542,558.78
  5. Step 5: Solve for x
    x = 34,633,542,558.78/301,278.62
  6. Step 6: Final answer
    x = 114,955.20

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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.