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Finding the Fourth Proportional to 367,003.30, 550,504.95 and 311,016.10

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Solution

The fourth proportional to 367,003.30, 550,504.95 and 311,016.10 is: 466,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,003.30 : 550,504.95 = 311,016.10 : x
  2. Step 2: Convert to fraction form
    367,003.30/550,504.95 = 311,016.10/x
  3. Step 3: Cross multiply
    367,003.30x = 550,504.95 × 311,016.10
  4. Step 4: Simplify right side
    367,003.30x = 171,215,902,579.70
  5. Step 5: Solve for x
    x = 171,215,902,579.70/367,003.30
  6. Step 6: Final answer
    x = 466,524.15

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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.