Home / 303,949.10-455,267.55-197,660.90

Finding the Fourth Proportional to 303,949.10, 455,267.55 and 197,660.90

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Solution

The fourth proportional to 303,949.10, 455,267.55 and 197,660.90 is: 296,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,949.10 : 455,267.55 = 197,660.90 : x
  2. Step 2: Convert to fraction form
    303,949.10/455,267.55 = 197,660.90/x
  3. Step 3: Cross multiply
    303,949.10x = 455,267.55 × 197,660.90
  4. Step 4: Simplify right side
    303,949.10x = 89,988,593,673.80
  5. Step 5: Solve for x
    x = 89,988,593,673.80/303,949.10
  6. Step 6: Final answer
    x = 296,064.68

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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.