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Finding the Fourth Proportional to 329,260.54, 493,839.32 and 104,591.42

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Solution

The fourth proportional to 329,260.54, 493,839.32 and 104,591.42 is: 156,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,260.54 : 493,839.32 = 104,591.42 : x
  2. Step 2: Convert to fraction form
    329,260.54/493,839.32 = 104,591.42/x
  3. Step 3: Cross multiply
    329,260.54x = 493,839.32 × 104,591.42
  4. Step 4: Simplify right side
    329,260.54x = 51,651,355,730.63
  5. Step 5: Solve for x
    x = 51,651,355,730.63/329,260.54
  6. Step 6: Final answer
    x = 156,870.77

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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.