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Finding the Fourth Proportional to 322,332.40, 483,498.60 and 274,639.60

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Solution

The fourth proportional to 322,332.40, 483,498.60 and 274,639.60 is: 411,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,332.40 : 483,498.60 = 274,639.60 : x
  2. Step 2: Convert to fraction form
    322,332.40/483,498.60 = 274,639.60/x
  3. Step 3: Cross multiply
    322,332.40x = 483,498.60 × 274,639.60
  4. Step 4: Simplify right side
    322,332.40x = 132,787,862,104.56
  5. Step 5: Solve for x
    x = 132,787,862,104.56/322,332.40
  6. Step 6: Final answer
    x = 411,959.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.