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Finding the Fourth Proportional to 332,989.86, 459,571.05 and 187,825.44

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Solution

The fourth proportional to 332,989.86, 459,571.05 and 187,825.44 is: 259,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,989.86 : 459,571.05 = 187,825.44 : x
  2. Step 2: Convert to fraction form
    332,989.86/459,571.05 = 187,825.44/x
  3. Step 3: Cross multiply
    332,989.86x = 459,571.05 × 187,825.44
  4. Step 4: Simplify right side
    332,989.86x = 86,319,134,677.51
  5. Step 5: Solve for x
    x = 86,319,134,677.51/332,989.86
  6. Step 6: Final answer
    x = 259,224.51

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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.