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Finding the Fourth Proportional to 331,894.17, 496,955.52 and 173,790.27

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Solution

The fourth proportional to 331,894.17, 496,955.52 and 173,790.27 is: 260,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,894.17 : 496,955.52 = 173,790.27 : x
  2. Step 2: Convert to fraction form
    331,894.17/496,955.52 = 173,790.27/x
  3. Step 3: Cross multiply
    331,894.17x = 496,955.52 × 173,790.27
  4. Step 4: Simplify right side
    331,894.17x = 86,366,033,998.79
  5. Step 5: Solve for x
    x = 86,366,033,998.79/331,894.17
  6. Step 6: Final answer
    x = 260,221.61

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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.