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Finding the Fourth Proportional to 188,353, 259,950.18 and 108,865

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Solution

The fourth proportional to 188,353, 259,950.18 and 108,865 is: 150,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,353 : 259,950.18 = 108,865 : x
  2. Step 2: Convert to fraction form
    188,353/259,950.18 = 108,865/x
  3. Step 3: Cross multiply
    188,353x = 259,950.18 × 108,865
  4. Step 4: Simplify right side
    188,353x = 28,299,476,345.70
  5. Step 5: Solve for x
    x = 28,299,476,345.70/188,353
  6. Step 6: Final answer
    x = 150,247.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.