Home / 303,882.10-455,823.15-268,890.10

Finding the Fourth Proportional to 303,882.10, 455,823.15 and 268,890.10

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Solution

The fourth proportional to 303,882.10, 455,823.15 and 268,890.10 is: 403,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,882.10 : 455,823.15 = 268,890.10 : x
  2. Step 2: Convert to fraction form
    303,882.10/455,823.15 = 268,890.10/x
  3. Step 3: Cross multiply
    303,882.10x = 455,823.15 × 268,890.10
  4. Step 4: Simplify right side
    303,882.10x = 122,566,332,385.82
  5. Step 5: Solve for x
    x = 122,566,332,385.82/303,882.10
  6. Step 6: Final answer
    x = 403,335.15

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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.