Home / 242,704.05-363,770.13-109,428.27

Finding the Fourth Proportional to 242,704.05, 363,770.13 and 109,428.27

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Solution

The fourth proportional to 242,704.05, 363,770.13 and 109,428.27 is: 164,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,704.05 : 363,770.13 = 109,428.27 : x
  2. Step 2: Convert to fraction form
    242,704.05/363,770.13 = 109,428.27/x
  3. Step 3: Cross multiply
    242,704.05x = 363,770.13 × 109,428.27
  4. Step 4: Simplify right side
    242,704.05x = 39,806,736,003.58
  5. Step 5: Solve for x
    x = 39,806,736,003.58/242,704.05
  6. Step 6: Final answer
    x = 164,013.48

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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.