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Finding the Fourth Proportional to 367,631.65, 551,447.48 and 367,631.65

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Solution

The fourth proportional to 367,631.65, 551,447.48 and 367,631.65 is: 551,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,631.65 : 551,447.48 = 367,631.65 : x
  2. Step 2: Convert to fraction form
    367,631.65/551,447.48 = 367,631.65/x
  3. Step 3: Cross multiply
    367,631.65x = 551,447.48 × 367,631.65
  4. Step 4: Simplify right side
    367,631.65x = 202,729,546,960.74
  5. Step 5: Solve for x
    x = 202,729,546,960.74/367,631.65
  6. Step 6: Final answer
    x = 551,447.48

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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.