Home / 454,816.80-682,225.20-139,232.70

Finding the Fourth Proportional to 454,816.80, 682,225.20 and 139,232.70

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Solution

The fourth proportional to 454,816.80, 682,225.20 and 139,232.70 is: 208,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,816.80 : 682,225.20 = 139,232.70 : x
  2. Step 2: Convert to fraction form
    454,816.80/682,225.20 = 139,232.70/x
  3. Step 3: Cross multiply
    454,816.80x = 682,225.20 × 139,232.70
  4. Step 4: Simplify right side
    454,816.80x = 94,988,056,604.04
  5. Step 5: Solve for x
    x = 94,988,056,604.04/454,816.80
  6. Step 6: Final answer
    x = 208,849.05

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Similar ratio
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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.