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Finding the Fourth Proportional to 354,512.93, 489,408.44 and 273,759.17

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Solution

The fourth proportional to 354,512.93, 489,408.44 and 273,759.17 is: 377,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,512.93 : 489,408.44 = 273,759.17 : x
  2. Step 2: Convert to fraction form
    354,512.93/489,408.44 = 273,759.17/x
  3. Step 3: Cross multiply
    354,512.93x = 489,408.44 × 273,759.17
  4. Step 4: Simplify right side
    354,512.93x = 133,980,044,509.56
  5. Step 5: Solve for x
    x = 133,980,044,509.56/354,512.93
  6. Step 6: Final answer
    x = 377,927.11

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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.