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Finding the Fourth Proportional to 192,731.52, 288,468.51 and 174,316.98

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Solution

The fourth proportional to 192,731.52, 288,468.51 and 174,316.98 is: 260,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,731.52 : 288,468.51 = 174,316.98 : x
  2. Step 2: Convert to fraction form
    192,731.52/288,468.51 = 174,316.98/x
  3. Step 3: Cross multiply
    192,731.52x = 288,468.51 × 174,316.98
  4. Step 4: Simplify right side
    192,731.52x = 50,284,958,293.73
  5. Step 5: Solve for x
    x = 50,284,958,293.73/192,731.52
  6. Step 6: Final answer
    x = 260,906.77

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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.