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Finding the Fourth Proportional to 361,050.35, 498,265.05 and 199,905.39

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Solution

The fourth proportional to 361,050.35, 498,265.05 and 199,905.39 is: 275,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,050.35 : 498,265.05 = 199,905.39 : x
  2. Step 2: Convert to fraction form
    361,050.35/498,265.05 = 199,905.39/x
  3. Step 3: Cross multiply
    361,050.35x = 498,265.05 × 199,905.39
  4. Step 4: Simplify right side
    361,050.35x = 99,605,869,143.62
  5. Step 5: Solve for x
    x = 99,605,869,143.62/361,050.35
  6. Step 6: Final answer
    x = 275,878.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.