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Finding the Fourth Proportional to 299,752.62, 449,850.37 and 141,981.06

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Solution

The fourth proportional to 299,752.62, 449,850.37 and 141,981.06 is: 213,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,752.62 : 449,850.37 = 141,981.06 : x
  2. Step 2: Convert to fraction form
    299,752.62/449,850.37 = 141,981.06/x
  3. Step 3: Cross multiply
    299,752.62x = 449,850.37 × 141,981.06
  4. Step 4: Simplify right side
    299,752.62x = 63,870,232,373.99
  5. Step 5: Solve for x
    x = 63,870,232,373.99/299,752.62
  6. Step 6: Final answer
    x = 213,076.48

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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.