Home / 381,839.14-526,907.10-220,704.58

Finding the Fourth Proportional to 381,839.14, 526,907.10 and 220,704.58

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Solution

The fourth proportional to 381,839.14, 526,907.10 and 220,704.58 is: 304,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,839.14 : 526,907.10 = 220,704.58 : x
  2. Step 2: Convert to fraction form
    381,839.14/526,907.10 = 220,704.58/x
  3. Step 3: Cross multiply
    381,839.14x = 526,907.10 × 220,704.58
  4. Step 4: Simplify right side
    381,839.14x = 116,290,810,204.52
  5. Step 5: Solve for x
    x = 116,290,810,204.52/381,839.14
  6. Step 6: Final answer
    x = 304,554.45

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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.