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Finding the Fourth Proportional to 304,273.81, 419,865.55 and 168,286.15

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Solution

The fourth proportional to 304,273.81, 419,865.55 and 168,286.15 is: 232,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,273.81 : 419,865.55 = 168,286.15 : x
  2. Step 2: Convert to fraction form
    304,273.81/419,865.55 = 168,286.15/x
  3. Step 3: Cross multiply
    304,273.81x = 419,865.55 × 168,286.15
  4. Step 4: Simplify right side
    304,273.81x = 70,657,555,456.75
  5. Step 5: Solve for x
    x = 70,657,555,456.75/304,273.81
  6. Step 6: Final answer
    x = 232,217.02

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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.