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Finding the Fourth Proportional to 303,209.80, 454,814.70 and 269,384.20

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Solution

The fourth proportional to 303,209.80, 454,814.70 and 269,384.20 is: 404,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,209.80 : 454,814.70 = 269,384.20 : x
  2. Step 2: Convert to fraction form
    303,209.80/454,814.70 = 269,384.20/x
  3. Step 3: Cross multiply
    303,209.80x = 454,814.70 × 269,384.20
  4. Step 4: Simplify right side
    303,209.80x = 122,519,894,107.74
  5. Step 5: Solve for x
    x = 122,519,894,107.74/303,209.80
  6. Step 6: Final answer
    x = 404,076.30

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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.