Home / 214,922.10-322,383.15-205,821.30

Finding the Fourth Proportional to 214,922.10, 322,383.15 and 205,821.30

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Solution

The fourth proportional to 214,922.10, 322,383.15 and 205,821.30 is: 308,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,922.10 : 322,383.15 = 205,821.30 : x
  2. Step 2: Convert to fraction form
    214,922.10/322,383.15 = 205,821.30/x
  3. Step 3: Cross multiply
    214,922.10x = 322,383.15 × 205,821.30
  4. Step 4: Simplify right side
    214,922.10x = 66,353,319,031.10
  5. Step 5: Solve for x
    x = 66,353,319,031.10/214,922.10
  6. Step 6: Final answer
    x = 308,731.95

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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.