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Finding the Fourth Proportional to 454,833.80, 682,250.70 and 155,287.70

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Solution

The fourth proportional to 454,833.80, 682,250.70 and 155,287.70 is: 232,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,833.80 : 682,250.70 = 155,287.70 : x
  2. Step 2: Convert to fraction form
    454,833.80/682,250.70 = 155,287.70/x
  3. Step 3: Cross multiply
    454,833.80x = 682,250.70 × 155,287.70
  4. Step 4: Simplify right side
    454,833.80x = 105,945,142,026.39
  5. Step 5: Solve for x
    x = 105,945,142,026.39/454,833.80
  6. Step 6: Final answer
    x = 232,931.55

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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.