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Finding the Fourth Proportional to 300,652.20, 448,625.61 and 298,902.60

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Solution

The fourth proportional to 300,652.20, 448,625.61 and 298,902.60 is: 446,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,652.20 : 448,625.61 = 298,902.60 : x
  2. Step 2: Convert to fraction form
    300,652.20/448,625.61 = 298,902.60/x
  3. Step 3: Cross multiply
    300,652.20x = 448,625.61 × 298,902.60
  4. Step 4: Simplify right side
    300,652.20x = 134,095,361,255.59
  5. Step 5: Solve for x
    x = 134,095,361,255.59/300,652.20
  6. Step 6: Final answer
    x = 446,014.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.