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Finding the Fourth Proportional to 202,648.19, 303,926.04 and 76,301.73

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Solution

The fourth proportional to 202,648.19, 303,926.04 and 76,301.73 is: 114,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,648.19 : 303,926.04 = 76,301.73 : x
  2. Step 2: Convert to fraction form
    202,648.19/303,926.04 = 76,301.73/x
  3. Step 3: Cross multiply
    202,648.19x = 303,926.04 × 76,301.73
  4. Step 4: Simplify right side
    202,648.19x = 23,190,082,644.05
  5. Step 5: Solve for x
    x = 23,190,082,644.05/202,648.19
  6. Step 6: Final answer
    x = 114,435.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.