Home / 327,619.01-491,427.95-102,999.08

Finding the Fourth Proportional to 327,619.01, 491,427.95 and 102,999.08

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Solution

The fourth proportional to 327,619.01, 491,427.95 and 102,999.08 is: 154,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,619.01 : 491,427.95 = 102,999.08 : x
  2. Step 2: Convert to fraction form
    327,619.01/491,427.95 = 102,999.08/x
  3. Step 3: Cross multiply
    327,619.01x = 491,427.95 × 102,999.08
  4. Step 4: Simplify right side
    327,619.01x = 50,616,623,764.15
  5. Step 5: Solve for x
    x = 50,616,623,764.15/327,619.01
  6. Step 6: Final answer
    x = 154,498.44

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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.