Home / 328,379.03-491,855.72-201,634.55

Finding the Fourth Proportional to 328,379.03, 491,855.72 and 201,634.55

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Solution

The fourth proportional to 328,379.03, 491,855.72 and 201,634.55 is: 302,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,379.03 : 491,855.72 = 201,634.55 : x
  2. Step 2: Convert to fraction form
    328,379.03/491,855.72 = 201,634.55/x
  3. Step 3: Cross multiply
    328,379.03x = 491,855.72 × 201,634.55
  4. Step 4: Simplify right side
    328,379.03x = 99,175,105,758.95
  5. Step 5: Solve for x
    x = 99,175,105,758.95/328,379.03
  6. Step 6: Final answer
    x = 302,014.13

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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.