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Finding the Fourth Proportional to 447,377.68, 670,579.88 and 222,904

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Solution

The fourth proportional to 447,377.68, 670,579.88 and 222,904 is: 334,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,377.68 : 670,579.88 = 222,904 : x
  2. Step 2: Convert to fraction form
    447,377.68/670,579.88 = 222,904/x
  3. Step 3: Cross multiply
    447,377.68x = 670,579.88 × 222,904
  4. Step 4: Simplify right side
    447,377.68x = 149,474,937,571.52
  5. Step 5: Solve for x
    x = 149,474,937,571.52/447,377.68
  6. Step 6: Final answer
    x = 334,113.53

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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.