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Finding the Fourth Proportional to 299,838.48, 449,759.66 and 119,938.94

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Solution

The fourth proportional to 299,838.48, 449,759.66 and 119,938.94 is: 179,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,838.48 : 449,759.66 = 119,938.94 : x
  2. Step 2: Convert to fraction form
    299,838.48/449,759.66 = 119,938.94/x
  3. Step 3: Cross multiply
    299,838.48x = 449,759.66 × 119,938.94
  4. Step 4: Simplify right side
    299,838.48x = 53,943,694,026.67
  5. Step 5: Solve for x
    x = 53,943,694,026.67/299,838.48
  6. Step 6: Final answer
    x = 179,909.18

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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.