Home / 447,868.85-670,138.31-268,044.12

Finding the Fourth Proportional to 447,868.85, 670,138.31 and 268,044.12

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Solution

The fourth proportional to 447,868.85, 670,138.31 and 268,044.12 is: 401,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,868.85 : 670,138.31 = 268,044.12 : x
  2. Step 2: Convert to fraction form
    447,868.85/670,138.31 = 268,044.12/x
  3. Step 3: Cross multiply
    447,868.85x = 670,138.31 × 268,044.12
  4. Step 4: Simplify right side
    447,868.85x = 179,626,634,252.35
  5. Step 5: Solve for x
    x = 179,626,634,252.35/447,868.85
  6. Step 6: Final answer
    x = 401,069.72

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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.