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Finding the Fourth Proportional to 379,077.57, 568,281.29 and 154,625.76

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Solution

The fourth proportional to 379,077.57, 568,281.29 and 154,625.76 is: 231,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,077.57 : 568,281.29 = 154,625.76 : x
  2. Step 2: Convert to fraction form
    379,077.57/568,281.29 = 154,625.76/x
  3. Step 3: Cross multiply
    379,077.57x = 568,281.29 × 154,625.76
  4. Step 4: Simplify right side
    379,077.57x = 87,870,925,586.90
  5. Step 5: Solve for x
    x = 87,870,925,586.90/379,077.57
  6. Step 6: Final answer
    x = 231,801.96

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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.