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Finding the Fourth Proportional to 309,250.05, 463,728.87 and 119,799.15

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Solution

The fourth proportional to 309,250.05, 463,728.87 and 119,799.15 is: 179,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,250.05 : 463,728.87 = 119,799.15 : x
  2. Step 2: Convert to fraction form
    309,250.05/463,728.87 = 119,799.15/x
  3. Step 3: Cross multiply
    309,250.05x = 463,728.87 × 119,799.15
  4. Step 4: Simplify right side
    309,250.05x = 55,554,324,456.46
  5. Step 5: Solve for x
    x = 55,554,324,456.46/309,250.05
  6. Step 6: Final answer
    x = 179,642.09

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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.