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Finding the Fourth Proportional to 309,082.87, 463,690.88 and 95,846.49

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Solution

The fourth proportional to 309,082.87, 463,690.88 and 95,846.49 is: 143,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,082.87 : 463,690.88 = 95,846.49 : x
  2. Step 2: Convert to fraction form
    309,082.87/463,690.88 = 95,846.49/x
  3. Step 3: Cross multiply
    309,082.87x = 463,690.88 × 95,846.49
  4. Step 4: Simplify right side
    309,082.87x = 44,443,142,813.78
  5. Step 5: Solve for x
    x = 44,443,142,813.78/309,082.87
  6. Step 6: Final answer
    x = 143,790.38

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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.