Home / 345,704.11-476,902.09-231,010.91

Finding the Fourth Proportional to 345,704.11, 476,902.09 and 231,010.91

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Solution

The fourth proportional to 345,704.11, 476,902.09 and 231,010.91 is: 318,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,704.11 : 476,902.09 = 231,010.91 : x
  2. Step 2: Convert to fraction form
    345,704.11/476,902.09 = 231,010.91/x
  3. Step 3: Cross multiply
    345,704.11x = 476,902.09 × 231,010.91
  4. Step 4: Simplify right side
    345,704.11x = 110,169,585,791.80
  5. Step 5: Solve for x
    x = 110,169,585,791.80/345,704.11
  6. Step 6: Final answer
    x = 318,681.74

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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.