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Finding the Fourth Proportional to 299,577.96, 449,425.80 and 99,895.68

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Solution

The fourth proportional to 299,577.96, 449,425.80 and 99,895.68 is: 149,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,577.96 : 449,425.80 = 99,895.68 : x
  2. Step 2: Convert to fraction form
    299,577.96/449,425.80 = 99,895.68/x
  3. Step 3: Cross multiply
    299,577.96x = 449,425.80 × 99,895.68
  4. Step 4: Simplify right side
    299,577.96x = 44,895,695,900.54
  5. Step 5: Solve for x
    x = 44,895,695,900.54/299,577.96
  6. Step 6: Final answer
    x = 149,863.15

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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.