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Finding the Fourth Proportional to 299,360.46, 449,039.88 and 121,825.47

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Solution

The fourth proportional to 299,360.46, 449,039.88 and 121,825.47 is: 182,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,360.46 : 449,039.88 = 121,825.47 : x
  2. Step 2: Convert to fraction form
    299,360.46/449,039.88 = 121,825.47/x
  3. Step 3: Cross multiply
    299,360.46x = 449,039.88 × 121,825.47
  4. Step 4: Simplify right side
    299,360.46x = 54,704,494,429.74
  5. Step 5: Solve for x
    x = 54,704,494,429.74/299,360.46
  6. Step 6: Final answer
    x = 182,737.88

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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.