Home / 198,486.47-298,112.67-170,087.81

Finding the Fourth Proportional to 198,486.47, 298,112.67 and 170,087.81

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Solution

The fourth proportional to 198,486.47, 298,112.67 and 170,087.81 is: 255,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,486.47 : 298,112.67 = 170,087.81 : x
  2. Step 2: Convert to fraction form
    198,486.47/298,112.67 = 170,087.81/x
  3. Step 3: Cross multiply
    198,486.47x = 298,112.67 × 170,087.81
  4. Step 4: Simplify right side
    198,486.47x = 50,705,329,682.99
  5. Step 5: Solve for x
    x = 50,705,329,682.99/198,486.47
  6. Step 6: Final answer
    x = 255,459.88

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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.