Home / 379,120.20-568,522.20-154,328.04

Finding the Fourth Proportional to 379,120.20, 568,522.20 and 154,328.04

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Solution

The fourth proportional to 379,120.20, 568,522.20 and 154,328.04 is: 231,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,120.20 : 568,522.20 = 154,328.04 : x
  2. Step 2: Convert to fraction form
    379,120.20/568,522.20 = 154,328.04/x
  3. Step 3: Cross multiply
    379,120.20x = 568,522.20 × 154,328.04
  4. Step 4: Simplify right side
    379,120.20x = 87,738,916,822.49
  5. Step 5: Solve for x
    x = 87,738,916,822.49/379,120.20
  6. Step 6: Final answer
    x = 231,427.70

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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.