Home / 279,622.44-385,747.04-189,010.04

Finding the Fourth Proportional to 279,622.44, 385,747.04 and 189,010.04

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Solution

The fourth proportional to 279,622.44, 385,747.04 and 189,010.04 is: 260,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,622.44 : 385,747.04 = 189,010.04 : x
  2. Step 2: Convert to fraction form
    279,622.44/385,747.04 = 189,010.04/x
  3. Step 3: Cross multiply
    279,622.44x = 385,747.04 × 189,010.04
  4. Step 4: Simplify right side
    279,622.44x = 72,910,062,004.07
  5. Step 5: Solve for x
    x = 72,910,062,004.07/279,622.44
  6. Step 6: Final answer
    x = 260,744.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.