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Finding the Fourth Proportional to 361,245.26, 498,496.52 and 200,090.90

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Solution

The fourth proportional to 361,245.26, 498,496.52 and 200,090.90 is: 276,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,245.26 : 498,496.52 = 200,090.90 : x
  2. Step 2: Convert to fraction form
    361,245.26/498,496.52 = 200,090.90/x
  3. Step 3: Cross multiply
    361,245.26x = 498,496.52 × 200,090.90
  4. Step 4: Simplify right side
    361,245.26x = 99,744,617,333.67
  5. Step 5: Solve for x
    x = 99,744,617,333.67/361,245.26
  6. Step 6: Final answer
    x = 276,113.29

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1.5x scale

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.