Home / 379,265.45-568,920.04-142,610.18

Finding the Fourth Proportional to 379,265.45, 568,920.04 and 142,610.18

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Solution

The fourth proportional to 379,265.45, 568,920.04 and 142,610.18 is: 213,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,265.45 : 568,920.04 = 142,610.18 : x
  2. Step 2: Convert to fraction form
    379,265.45/568,920.04 = 142,610.18/x
  3. Step 3: Cross multiply
    379,265.45x = 568,920.04 × 142,610.18
  4. Step 4: Simplify right side
    379,265.45x = 81,133,786,108.88
  5. Step 5: Solve for x
    x = 81,133,786,108.88/379,265.45
  6. Step 6: Final answer
    x = 213,923.49

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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.