Home / 320,861.12-481,149.50-171,073.50

Finding the Fourth Proportional to 320,861.12, 481,149.50 and 171,073.50

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Solution

The fourth proportional to 320,861.12, 481,149.50 and 171,073.50 is: 256,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,861.12 : 481,149.50 = 171,073.50 : x
  2. Step 2: Convert to fraction form
    320,861.12/481,149.50 = 171,073.50/x
  3. Step 3: Cross multiply
    320,861.12x = 481,149.50 × 171,073.50
  4. Step 4: Simplify right side
    320,861.12x = 82,311,928,988.25
  5. Step 5: Solve for x
    x = 82,311,928,988.25/320,861.12
  6. Step 6: Final answer
    x = 256,534.44

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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.