Home / 379,380.76-568,904.34-201,845.50

Finding the Fourth Proportional to 379,380.76, 568,904.34 and 201,845.50

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Solution

The fourth proportional to 379,380.76, 568,904.34 and 201,845.50 is: 302,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,380.76 : 568,904.34 = 201,845.50 : x
  2. Step 2: Convert to fraction form
    379,380.76/568,904.34 = 201,845.50/x
  3. Step 3: Cross multiply
    379,380.76x = 568,904.34 × 201,845.50
  4. Step 4: Simplify right side
    379,380.76x = 114,830,780,959.47
  5. Step 5: Solve for x
    x = 114,830,780,959.47/379,380.76
  6. Step 6: Final answer
    x = 302,679.51

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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.