Home / 350,998.20-525,719.70-271,855.80

Finding the Fourth Proportional to 350,998.20, 525,719.70 and 271,855.80

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Solution

The fourth proportional to 350,998.20, 525,719.70 and 271,855.80 is: 407,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,998.20 : 525,719.70 = 271,855.80 : x
  2. Step 2: Convert to fraction form
    350,998.20/525,719.70 = 271,855.80/x
  3. Step 3: Cross multiply
    350,998.20x = 525,719.70 × 271,855.80
  4. Step 4: Simplify right side
    350,998.20x = 142,919,949,619.26
  5. Step 5: Solve for x
    x = 142,919,949,619.26/350,998.20
  6. Step 6: Final answer
    x = 407,181.43

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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.