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Finding the Fourth Proportional to 248,082.03, 371,695.05 and 135,843.03

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Solution

The fourth proportional to 248,082.03, 371,695.05 and 135,843.03 is: 203,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,082.03 : 371,695.05 = 135,843.03 : x
  2. Step 2: Convert to fraction form
    248,082.03/371,695.05 = 135,843.03/x
  3. Step 3: Cross multiply
    248,082.03x = 371,695.05 × 135,843.03
  4. Step 4: Simplify right side
    248,082.03x = 50,492,181,828.00
  5. Step 5: Solve for x
    x = 50,492,181,828.00/248,082.03
  6. Step 6: Final answer
    x = 203,530.19

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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.