Home / 199,247.20-298,608.40-146,408.80

Finding the Fourth Proportional to 199,247.20, 298,608.40 and 146,408.80

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Solution

The fourth proportional to 199,247.20, 298,608.40 and 146,408.80 is: 219,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,247.20 : 298,608.40 = 146,408.80 : x
  2. Step 2: Convert to fraction form
    199,247.20/298,608.40 = 146,408.80/x
  3. Step 3: Cross multiply
    199,247.20x = 298,608.40 × 146,408.80
  4. Step 4: Simplify right side
    199,247.20x = 43,718,897,513.92
  5. Step 5: Solve for x
    x = 43,718,897,513.92/199,247.20
  6. Step 6: Final answer
    x = 219,420.39

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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.