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Finding the Fourth Proportional to 304,786.53, 457,212.20 and 94,440.87

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Solution

The fourth proportional to 304,786.53, 457,212.20 and 94,440.87 is: 141,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786.53 : 457,212.20 = 94,440.87 : x
  2. Step 2: Convert to fraction form
    304,786.53/457,212.20 = 94,440.87/x
  3. Step 3: Cross multiply
    304,786.53x = 457,212.20 × 94,440.87
  4. Step 4: Simplify right side
    304,786.53x = 43,179,517,470.41
  5. Step 5: Solve for x
    x = 43,179,517,470.41/304,786.53
  6. Step 6: Final answer
    x = 141,671.34

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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.