Home / 303,212.20-454,818.30-214,638.70

Finding the Fourth Proportional to 303,212.20, 454,818.30 and 214,638.70

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Solution

The fourth proportional to 303,212.20, 454,818.30 and 214,638.70 is: 321,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,212.20 : 454,818.30 = 214,638.70 : x
  2. Step 2: Convert to fraction form
    303,212.20/454,818.30 = 214,638.70/x
  3. Step 3: Cross multiply
    303,212.20x = 454,818.30 × 214,638.70
  4. Step 4: Simplify right side
    303,212.20x = 97,621,608,648.21
  5. Step 5: Solve for x
    x = 97,621,608,648.21/303,212.20
  6. Step 6: Final answer
    x = 321,958.05

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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.