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Finding the Fourth Proportional to 227,556.66, 341,322.21 and 69,784.68

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Solution

The fourth proportional to 227,556.66, 341,322.21 and 69,784.68 is: 104,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,556.66 : 341,322.21 = 69,784.68 : x
  2. Step 2: Convert to fraction form
    227,556.66/341,322.21 = 69,784.68/x
  3. Step 3: Cross multiply
    227,556.66x = 341,322.21 × 69,784.68
  4. Step 4: Simplify right side
    227,556.66x = 23,819,061,201.74
  5. Step 5: Solve for x
    x = 23,819,061,201.74/227,556.66
  6. Step 6: Final answer
    x = 104,673.10

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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.