Home / 454,845.90-682,329.60-155,251.20

Finding the Fourth Proportional to 454,845.90, 682,329.60 and 155,251.20

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Solution

The fourth proportional to 454,845.90, 682,329.60 and 155,251.20 is: 232,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,845.90 : 682,329.60 = 155,251.20 : x
  2. Step 2: Convert to fraction form
    454,845.90/682,329.60 = 155,251.20/x
  3. Step 3: Cross multiply
    454,845.90x = 682,329.60 × 155,251.20
  4. Step 4: Simplify right side
    454,845.90x = 105,932,489,195.52
  5. Step 5: Solve for x
    x = 105,932,489,195.52/454,845.90
  6. Step 6: Final answer
    x = 232,897.54

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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.