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Finding the Fourth Proportional to 312,033.30, 468,049.95 and 298,911.30

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Solution

The fourth proportional to 312,033.30, 468,049.95 and 298,911.30 is: 448,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,033.30 : 468,049.95 = 298,911.30 : x
  2. Step 2: Convert to fraction form
    312,033.30/468,049.95 = 298,911.30/x
  3. Step 3: Cross multiply
    312,033.30x = 468,049.95 × 298,911.30
  4. Step 4: Simplify right side
    312,033.30x = 139,905,419,019.44
  5. Step 5: Solve for x
    x = 139,905,419,019.44/312,033.30
  6. Step 6: Final answer
    x = 448,366.95

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Similar ratio
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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.