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Finding the Fourth Proportional to 379,549.80, 569,240.86 and 109,619.24

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Solution

The fourth proportional to 379,549.80, 569,240.86 and 109,619.24 is: 164,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,549.80 : 569,240.86 = 109,619.24 : x
  2. Step 2: Convert to fraction form
    379,549.80/569,240.86 = 109,619.24/x
  3. Step 3: Cross multiply
    379,549.80x = 569,240.86 × 109,619.24
  4. Step 4: Simplify right side
    379,549.80x = 62,399,750,450.15
  5. Step 5: Solve for x
    x = 62,399,750,450.15/379,549.80
  6. Step 6: Final answer
    x = 164,404.65

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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.