Home / 253,481.08-380,192.44-66,507.16

Finding the Fourth Proportional to 253,481.08, 380,192.44 and 66,507.16

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Solution

The fourth proportional to 253,481.08, 380,192.44 and 66,507.16 is: 99,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,481.08 : 380,192.44 = 66,507.16 : x
  2. Step 2: Convert to fraction form
    253,481.08/380,192.44 = 66,507.16/x
  3. Step 3: Cross multiply
    253,481.08x = 380,192.44 × 66,507.16
  4. Step 4: Simplify right side
    253,481.08x = 25,285,519,437.87
  5. Step 5: Solve for x
    x = 25,285,519,437.87/253,481.08
  6. Step 6: Final answer
    x = 99,753.08

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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.