Home / 330,727.25-456,467.00-187,487.87

Finding the Fourth Proportional to 330,727.25, 456,467.00 and 187,487.87

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Solution

The fourth proportional to 330,727.25, 456,467.00 and 187,487.87 is: 258,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,727.25 : 456,467.00 = 187,487.87 : x
  2. Step 2: Convert to fraction form
    330,727.25/456,467.00 = 187,487.87/x
  3. Step 3: Cross multiply
    330,727.25x = 456,467.00 × 187,487.87
  4. Step 4: Simplify right side
    330,727.25x = 85,582,022,335.52
  5. Step 5: Solve for x
    x = 85,582,022,335.52/330,727.25
  6. Step 6: Final answer
    x = 258,769.19

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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.