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Finding the Fourth Proportional to 199,432.80, 298,711.80 and 173,188.80

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Solution

The fourth proportional to 199,432.80, 298,711.80 and 173,188.80 is: 259,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,432.80 : 298,711.80 = 173,188.80 : x
  2. Step 2: Convert to fraction form
    199,432.80/298,711.80 = 173,188.80/x
  3. Step 3: Cross multiply
    199,432.80x = 298,711.80 × 173,188.80
  4. Step 4: Simplify right side
    199,432.80x = 51,733,538,187.84
  5. Step 5: Solve for x
    x = 51,733,538,187.84/199,432.80
  6. Step 6: Final answer
    x = 259,403.36

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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.