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Finding the Fourth Proportional to 303,273.16, 418,432.98 and 195,847.72

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Solution

The fourth proportional to 303,273.16, 418,432.98 and 195,847.72 is: 270,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,273.16 : 418,432.98 = 195,847.72 : x
  2. Step 2: Convert to fraction form
    303,273.16/418,432.98 = 195,847.72/x
  3. Step 3: Cross multiply
    303,273.16x = 418,432.98 × 195,847.72
  4. Step 4: Simplify right side
    303,273.16x = 81,949,145,105.81
  5. Step 5: Solve for x
    x = 81,949,145,105.81/303,273.16
  6. Step 6: Final answer
    x = 270,215.62

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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.