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Finding the Fourth Proportional to 361,425.52, 498,770.16 and 200,283.28

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Solution

The fourth proportional to 361,425.52, 498,770.16 and 200,283.28 is: 276,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,425.52 : 498,770.16 = 200,283.28 : x
  2. Step 2: Convert to fraction form
    361,425.52/498,770.16 = 200,283.28/x
  3. Step 3: Cross multiply
    361,425.52x = 498,770.16 × 200,283.28
  4. Step 4: Simplify right side
    361,425.52x = 99,895,323,610.92
  5. Step 5: Solve for x
    x = 99,895,323,610.92/361,425.52
  6. Step 6: Final answer
    x = 276,392.56

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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.