Home / 379,251.17-568,799.75-139,282.60

Finding the Fourth Proportional to 379,251.17, 568,799.75 and 139,282.60

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Solution

The fourth proportional to 379,251.17, 568,799.75 and 139,282.60 is: 208,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,251.17 : 568,799.75 = 139,282.60 : x
  2. Step 2: Convert to fraction form
    379,251.17/568,799.75 = 139,282.60/x
  3. Step 3: Cross multiply
    379,251.17x = 568,799.75 × 139,282.60
  4. Step 4: Simplify right side
    379,251.17x = 79,223,908,059.35
  5. Step 5: Solve for x
    x = 79,223,908,059.35/379,251.17
  6. Step 6: Final answer
    x = 208,895.62

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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.