Home / 379,476.74-569,131.26-109,546.21

Finding the Fourth Proportional to 379,476.74, 569,131.26 and 109,546.21

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Solution

The fourth proportional to 379,476.74, 569,131.26 and 109,546.21 is: 164,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,476.74 : 569,131.26 = 109,546.21 : x
  2. Step 2: Convert to fraction form
    379,476.74/569,131.26 = 109,546.21/x
  3. Step 3: Cross multiply
    379,476.74x = 569,131.26 × 109,546.21
  4. Step 4: Simplify right side
    379,476.74x = 62,346,172,826.14
  5. Step 5: Solve for x
    x = 62,346,172,826.14/379,476.74
  6. Step 6: Final answer
    x = 164,295.11

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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.