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Finding the Fourth Proportional to 303,233.79, 454,481.73 and 214,512.87

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Solution

The fourth proportional to 303,233.79, 454,481.73 and 214,512.87 is: 321,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,233.79 : 454,481.73 = 214,512.87 : x
  2. Step 2: Convert to fraction form
    303,233.79/454,481.73 = 214,512.87/x
  3. Step 3: Cross multiply
    303,233.79x = 454,481.73 × 214,512.87
  4. Step 4: Simplify right side
    303,233.79x = 97,492,180,264.87
  5. Step 5: Solve for x
    x = 97,492,180,264.87/303,233.79
  6. Step 6: Final answer
    x = 321,508.30

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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.