Home / 454,816.90-682,286.10-155,222.20

Finding the Fourth Proportional to 454,816.90, 682,286.10 and 155,222.20

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Solution

The fourth proportional to 454,816.90, 682,286.10 and 155,222.20 is: 232,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,816.90 : 682,286.10 = 155,222.20 : x
  2. Step 2: Convert to fraction form
    454,816.90/682,286.10 = 155,222.20/x
  3. Step 3: Cross multiply
    454,816.90x = 682,286.10 × 155,222.20
  4. Step 4: Simplify right side
    454,816.90x = 105,905,949,471.42
  5. Step 5: Solve for x
    x = 105,905,949,471.42/454,816.90
  6. Step 6: Final answer
    x = 232,854.03

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1.5x scale

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.