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Finding the Fourth Proportional to 303,310.70, 454,966.05 and 296,749.70

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Solution

The fourth proportional to 303,310.70, 454,966.05 and 296,749.70 is: 445,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,310.70 : 454,966.05 = 296,749.70 : x
  2. Step 2: Convert to fraction form
    303,310.70/454,966.05 = 296,749.70/x
  3. Step 3: Cross multiply
    303,310.70x = 454,966.05 × 296,749.70
  4. Step 4: Simplify right side
    303,310.70x = 135,011,038,847.69
  5. Step 5: Solve for x
    x = 135,011,038,847.69/303,310.70
  6. Step 6: Final answer
    x = 445,124.55

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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.