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Finding the Fourth Proportional to 366,942.15, 549,882 and 252,972.97

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Solution

The fourth proportional to 366,942.15, 549,882 and 252,972.97 is: 379,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.15 : 549,882 = 252,972.97 : x
  2. Step 2: Convert to fraction form
    366,942.15/549,882 = 252,972.97/x
  3. Step 3: Cross multiply
    366,942.15x = 549,882 × 252,972.97
  4. Step 4: Simplify right side
    366,942.15x = 139,105,282,689.54
  5. Step 5: Solve for x
    x = 139,105,282,689.54/366,942.15
  6. Step 6: Final answer
    x = 379,093.22

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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.