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Finding the Fourth Proportional to 306,179.79, 459,217.86 and 92,896.27

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Solution

The fourth proportional to 306,179.79, 459,217.86 and 92,896.27 is: 139,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,179.79 : 459,217.86 = 92,896.27 : x
  2. Step 2: Convert to fraction form
    306,179.79/459,217.86 = 92,896.27/x
  3. Step 3: Cross multiply
    306,179.79x = 459,217.86 × 92,896.27
  4. Step 4: Simplify right side
    306,179.79x = 42,659,626,402.42
  5. Step 5: Solve for x
    x = 42,659,626,402.42/306,179.79
  6. Step 6: Final answer
    x = 139,328.68

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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.