Home / 454,932.90-682,334.55-155,427.30

Finding the Fourth Proportional to 454,932.90, 682,334.55 and 155,427.30

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Solution

The fourth proportional to 454,932.90, 682,334.55 and 155,427.30 is: 233,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,932.90 : 682,334.55 = 155,427.30 : x
  2. Step 2: Convert to fraction form
    454,932.90/682,334.55 = 155,427.30/x
  3. Step 3: Cross multiply
    454,932.90x = 682,334.55 × 155,427.30
  4. Step 4: Simplify right side
    454,932.90x = 106,053,416,803.22
  5. Step 5: Solve for x
    x = 106,053,416,803.22/454,932.90
  6. Step 6: Final answer
    x = 233,118.81

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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.