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Finding the Fourth Proportional to 449,882.64, 620,836.52 and 245,933.55

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Solution

The fourth proportional to 449,882.64, 620,836.52 and 245,933.55 is: 339,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,882.64 : 620,836.52 = 245,933.55 : x
  2. Step 2: Convert to fraction form
    449,882.64/620,836.52 = 245,933.55/x
  3. Step 3: Cross multiply
    449,882.64x = 620,836.52 × 245,933.55
  4. Step 4: Simplify right side
    449,882.64x = 152,684,528,103.58
  5. Step 5: Solve for x
    x = 152,684,528,103.58/449,882.64
  6. Step 6: Final answer
    x = 339,387.46

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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.