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Finding the Fourth Proportional to 366,933.86, 549,684.53 and 252,812.43

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Solution

The fourth proportional to 366,933.86, 549,684.53 and 252,812.43 is: 378,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,933.86 : 549,684.53 = 252,812.43 : x
  2. Step 2: Convert to fraction form
    366,933.86/549,684.53 = 252,812.43/x
  3. Step 3: Cross multiply
    366,933.86x = 549,684.53 × 252,812.43
  4. Step 4: Simplify right side
    366,933.86x = 138,967,080,498.65
  5. Step 5: Solve for x
    x = 138,967,080,498.65/366,933.86
  6. Step 6: Final answer
    x = 378,725.15

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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.