Home / 271,115.10-406,381.05-102,570.30

Finding the Fourth Proportional to 271,115.10, 406,381.05 and 102,570.30

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Solution

The fourth proportional to 271,115.10, 406,381.05 and 102,570.30 is: 153,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,115.10 : 406,381.05 = 102,570.30 : x
  2. Step 2: Convert to fraction form
    271,115.10/406,381.05 = 102,570.30/x
  3. Step 3: Cross multiply
    271,115.10x = 406,381.05 × 102,570.30
  4. Step 4: Simplify right side
    271,115.10x = 41,682,626,212.82
  5. Step 5: Solve for x
    x = 41,682,626,212.82/271,115.10
  6. Step 6: Final answer
    x = 153,745.13

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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.