Home / 198,492.75-297,739.13-50,748.75

Finding the Fourth Proportional to 198,492.75, 297,739.13 and 50,748.75

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Solution

The fourth proportional to 198,492.75, 297,739.13 and 50,748.75 is: 76,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,492.75 : 297,739.13 = 50,748.75 : x
  2. Step 2: Convert to fraction form
    198,492.75/297,739.13 = 50,748.75/x
  3. Step 3: Cross multiply
    198,492.75x = 297,739.13 × 50,748.75
  4. Step 4: Simplify right side
    198,492.75x = 15,109,888,419.84
  5. Step 5: Solve for x
    x = 15,109,888,419.84/198,492.75
  6. Step 6: Final answer
    x = 76,123.13

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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.