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Finding the Fourth Proportional to 329,268.96, 493,846.20 and 92,555.46

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Solution

The fourth proportional to 329,268.96, 493,846.20 and 92,555.46 is: 138,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,268.96 : 493,846.20 = 92,555.46 : x
  2. Step 2: Convert to fraction form
    329,268.96/493,846.20 = 92,555.46/x
  3. Step 3: Cross multiply
    329,268.96x = 493,846.20 × 92,555.46
  4. Step 4: Simplify right side
    329,268.96x = 45,708,162,210.25
  5. Step 5: Solve for x
    x = 45,708,162,210.25/329,268.96
  6. Step 6: Final answer
    x = 138,817.10

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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.