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Finding the Fourth Proportional to 303,330.96, 418,589.78 and 167,377.73

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Solution

The fourth proportional to 303,330.96, 418,589.78 and 167,377.73 is: 230,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.96 : 418,589.78 = 167,377.73 : x
  2. Step 2: Convert to fraction form
    303,330.96/418,589.78 = 167,377.73/x
  3. Step 3: Cross multiply
    303,330.96x = 418,589.78 × 167,377.73
  4. Step 4: Simplify right side
    303,330.96x = 70,062,604,247.76
  5. Step 5: Solve for x
    x = 70,062,604,247.76/303,330.96
  6. Step 6: Final answer
    x = 230,977.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.