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Finding the Fourth Proportional to 361,440.63, 498,799.01 and 200,280.60

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Solution

The fourth proportional to 361,440.63, 498,799.01 and 200,280.60 is: 276,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,440.63 : 498,799.01 = 200,280.60 : x
  2. Step 2: Convert to fraction form
    361,440.63/498,799.01 = 200,280.60/x
  3. Step 3: Cross multiply
    361,440.63x = 498,799.01 × 200,280.60
  4. Step 4: Simplify right side
    361,440.63x = 99,899,765,002.21
  5. Step 5: Solve for x
    x = 99,899,765,002.21/361,440.63
  6. Step 6: Final answer
    x = 276,393.29

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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.