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Finding the Fourth Proportional to 308,794, 426,147.24 and 174,655.12

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Solution

The fourth proportional to 308,794, 426,147.24 and 174,655.12 is: 241,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,794 : 426,147.24 = 174,655.12 : x
  2. Step 2: Convert to fraction form
    308,794/426,147.24 = 174,655.12/x
  3. Step 3: Cross multiply
    308,794x = 426,147.24 × 174,655.12
  4. Step 4: Simplify right side
    308,794x = 74,428,797,339.87
  5. Step 5: Solve for x
    x = 74,428,797,339.87/308,794
  6. Step 6: Final answer
    x = 241,030.58

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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.