Home / 198,775.20-298,162.80-177,002.40

Finding the Fourth Proportional to 198,775.20, 298,162.80 and 177,002.40

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Solution

The fourth proportional to 198,775.20, 298,162.80 and 177,002.40 is: 265,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,775.20 : 298,162.80 = 177,002.40 : x
  2. Step 2: Convert to fraction form
    198,775.20/298,162.80 = 177,002.40/x
  3. Step 3: Cross multiply
    198,775.20x = 298,162.80 × 177,002.40
  4. Step 4: Simplify right side
    198,775.20x = 52,775,531,190.72
  5. Step 5: Solve for x
    x = 52,775,531,190.72/198,775.20
  6. Step 6: Final answer
    x = 265,503.60

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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.