Home / 379,930.06-569,894.98-143,217.38

Finding the Fourth Proportional to 379,930.06, 569,894.98 and 143,217.38

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Solution

The fourth proportional to 379,930.06, 569,894.98 and 143,217.38 is: 214,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,930.06 : 569,894.98 = 143,217.38 : x
  2. Step 2: Convert to fraction form
    379,930.06/569,894.98 = 143,217.38/x
  3. Step 3: Cross multiply
    379,930.06x = 569,894.98 × 143,217.38
  4. Step 4: Simplify right side
    379,930.06x = 81,618,867,044.58
  5. Step 5: Solve for x
    x = 81,618,867,044.58/379,930.06
  6. Step 6: Final answer
    x = 214,826.03

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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.