Home / 454,719.63-682,132.10-151,140.90

Finding the Fourth Proportional to 454,719.63, 682,132.10 and 151,140.90

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Solution

The fourth proportional to 454,719.63, 682,132.10 and 151,140.90 is: 226,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,719.63 : 682,132.10 = 151,140.90 : x
  2. Step 2: Convert to fraction form
    454,719.63/682,132.10 = 151,140.90/x
  3. Step 3: Cross multiply
    454,719.63x = 682,132.10 × 151,140.90
  4. Step 4: Simplify right side
    454,719.63x = 103,098,058,757.19
  5. Step 5: Solve for x
    x = 103,098,058,757.19/454,719.63
  6. Step 6: Final answer
    x = 226,728.85

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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.