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Finding the Fourth Proportional to 361,522.40, 498,892.26 and 200,373.98

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Solution

The fourth proportional to 361,522.40, 498,892.26 and 200,373.98 is: 276,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,522.40 : 498,892.26 = 200,373.98 : x
  2. Step 2: Convert to fraction form
    361,522.40/498,892.26 = 200,373.98/x
  3. Step 3: Cross multiply
    361,522.40x = 498,892.26 × 200,373.98
  4. Step 4: Simplify right side
    361,522.40x = 99,965,027,727.39
  5. Step 5: Solve for x
    x = 99,965,027,727.39/361,522.40
  6. Step 6: Final answer
    x = 276,511.30

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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.