Home / 381,075.10-525,845.74-219,982.04

Finding the Fourth Proportional to 381,075.10, 525,845.74 and 219,982.04

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Solution

The fourth proportional to 381,075.10, 525,845.74 and 219,982.04 is: 303,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,075.10 : 525,845.74 = 219,982.04 : x
  2. Step 2: Convert to fraction form
    381,075.10/525,845.74 = 219,982.04/x
  3. Step 3: Cross multiply
    381,075.10x = 525,845.74 × 219,982.04
  4. Step 4: Simplify right side
    381,075.10x = 115,676,619,375.17
  5. Step 5: Solve for x
    x = 115,676,619,375.17/381,075.10
  6. Step 6: Final answer
    x = 303,553.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.