Home / 199,469.20-298,766.40-177,307.60

Finding the Fourth Proportional to 199,469.20, 298,766.40 and 177,307.60

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Solution

The fourth proportional to 199,469.20, 298,766.40 and 177,307.60 is: 265,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,469.20 : 298,766.40 = 177,307.60 : x
  2. Step 2: Convert to fraction form
    199,469.20/298,766.40 = 177,307.60/x
  3. Step 3: Cross multiply
    199,469.20x = 298,766.40 × 177,307.60
  4. Step 4: Simplify right side
    199,469.20x = 52,973,553,344.64
  5. Step 5: Solve for x
    x = 52,973,553,344.64/199,469.20
  6. Step 6: Final answer
    x = 265,572.60

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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.