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Finding the Fourth Proportional to 911,151.75, 1,366,809.34 and 237,238.89

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Solution

The fourth proportional to 911,151.75, 1,366,809.34 and 237,238.89 is: 355,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,151.75 : 1,366,809.34 = 237,238.89 : x
  2. Step 2: Convert to fraction form
    911,151.75/1,366,809.34 = 237,238.89/x
  3. Step 3: Cross multiply
    911,151.75x = 1,366,809.34 × 237,238.89
  4. Step 4: Simplify right side
    911,151.75x = 324,260,331,260.83
  5. Step 5: Solve for x
    x = 324,260,331,260.83/911,151.75
  6. Step 6: Final answer
    x = 355,879.61

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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.