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Finding the Fourth Proportional to 322,403.60, 483,605.40 and 296,815.70

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Solution

The fourth proportional to 322,403.60, 483,605.40 and 296,815.70 is: 445,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,403.60 : 483,605.40 = 296,815.70 : x
  2. Step 2: Convert to fraction form
    322,403.60/483,605.40 = 296,815.70/x
  3. Step 3: Cross multiply
    322,403.60x = 483,605.40 × 296,815.70
  4. Step 4: Simplify right side
    322,403.60x = 143,541,675,324.78
  5. Step 5: Solve for x
    x = 143,541,675,324.78/322,403.60
  6. Step 6: Final answer
    x = 445,223.55

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1.5x scale

Why These Related Problems?

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