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Finding the Fourth Proportional to 303,240.52, 454,491.78 and 214,519.60

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Solution

The fourth proportional to 303,240.52, 454,491.78 and 214,519.60 is: 321,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,240.52 : 454,491.78 = 214,519.60 : x
  2. Step 2: Convert to fraction form
    303,240.52/454,491.78 = 214,519.60/x
  3. Step 3: Cross multiply
    303,240.52x = 454,491.78 × 214,519.60
  4. Step 4: Simplify right side
    303,240.52x = 97,497,394,848.89
  5. Step 5: Solve for x
    x = 97,497,394,848.89/303,240.52
  6. Step 6: Final answer
    x = 321,518.36

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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.