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Finding the Fourth Proportional to 299,350.98, 448,388.06 and 242,179.56

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Solution

The fourth proportional to 299,350.98, 448,388.06 and 242,179.56 is: 362,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,350.98 : 448,388.06 = 242,179.56 : x
  2. Step 2: Convert to fraction form
    299,350.98/448,388.06 = 242,179.56/x
  3. Step 3: Cross multiply
    299,350.98x = 448,388.06 × 242,179.56
  4. Step 4: Simplify right side
    299,350.98x = 108,590,421,869.16
  5. Step 5: Solve for x
    x = 108,590,421,869.16/299,350.98
  6. Step 6: Final answer
    x = 362,752.85

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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.