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Finding the Fourth Proportional to 304,873.96, 420,738.66 and 170,738.92

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Solution

The fourth proportional to 304,873.96, 420,738.66 and 170,738.92 is: 235,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,873.96 : 420,738.66 = 170,738.92 : x
  2. Step 2: Convert to fraction form
    304,873.96/420,738.66 = 170,738.92/x
  3. Step 3: Cross multiply
    304,873.96x = 420,738.66 × 170,738.92
  4. Step 4: Simplify right side
    304,873.96x = 71,836,464,410.65
  5. Step 5: Solve for x
    x = 71,836,464,410.65/304,873.96
  6. Step 6: Final answer
    x = 235,626.76

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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.