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Finding the Fourth Proportional to 329,263.62, 493,376.49 and 254,566.50

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Solution

The fourth proportional to 329,263.62, 493,376.49 and 254,566.50 is: 381,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,263.62 : 493,376.49 = 254,566.50 : x
  2. Step 2: Convert to fraction form
    329,263.62/493,376.49 = 254,566.50/x
  3. Step 3: Cross multiply
    329,263.62x = 493,376.49 × 254,566.50
  4. Step 4: Simplify right side
    329,263.62x = 125,597,126,241.59
  5. Step 5: Solve for x
    x = 125,597,126,241.59/329,263.62
  6. Step 6: Final answer
    x = 381,448.54

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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.