Home / 382,019.20-572,610.30-192,176.80

Finding the Fourth Proportional to 382,019.20, 572,610.30 and 192,176.80

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Solution

The fourth proportional to 382,019.20, 572,610.30 and 192,176.80 is: 288,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,019.20 : 572,610.30 = 192,176.80 : x
  2. Step 2: Convert to fraction form
    382,019.20/572,610.30 = 192,176.80/x
  3. Step 3: Cross multiply
    382,019.20x = 572,610.30 × 192,176.80
  4. Step 4: Simplify right side
    382,019.20x = 110,042,415,101.04
  5. Step 5: Solve for x
    x = 110,042,415,101.04/382,019.20
  6. Step 6: Final answer
    x = 288,054.67

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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.