Home / 345,711.14-476,911.80-231,017.97

Finding the Fourth Proportional to 345,711.14, 476,911.80 and 231,017.97

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Solution

The fourth proportional to 345,711.14, 476,911.80 and 231,017.97 is: 318,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,711.14 : 476,911.80 = 231,017.97 : x
  2. Step 2: Convert to fraction form
    345,711.14/476,911.80 = 231,017.97/x
  3. Step 3: Cross multiply
    345,711.14x = 476,911.80 × 231,017.97
  4. Step 4: Simplify right side
    345,711.14x = 110,175,197,693.47
  5. Step 5: Solve for x
    x = 110,175,197,693.47/345,711.14
  6. Step 6: Final answer
    x = 318,691.49

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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.