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Finding the Fourth Proportional to 227,372, 313,795.53 and 169,911.55

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Solution

The fourth proportional to 227,372, 313,795.53 and 169,911.55 is: 234,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,372 : 313,795.53 = 169,911.55 : x
  2. Step 2: Convert to fraction form
    227,372/313,795.53 = 169,911.55/x
  3. Step 3: Cross multiply
    227,372x = 313,795.53 × 169,911.55
  4. Step 4: Simplify right side
    227,372x = 53,317,483,316.39
  5. Step 5: Solve for x
    x = 53,317,483,316.39/227,372
  6. Step 6: Final answer
    x = 234,494.50

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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.