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Finding the Fourth Proportional to 303,609.24, 419,098.90 and 271,722.76

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Solution

The fourth proportional to 303,609.24, 419,098.90 and 271,722.76 is: 375,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,609.24 : 419,098.90 = 271,722.76 : x
  2. Step 2: Convert to fraction form
    303,609.24/419,098.90 = 271,722.76/x
  3. Step 3: Cross multiply
    303,609.24x = 419,098.90 × 271,722.76
  4. Step 4: Simplify right side
    303,609.24x = 113,878,709,820.96
  5. Step 5: Solve for x
    x = 113,878,709,820.96/303,609.24
  6. Step 6: Final answer
    x = 375,083.15

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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.