Home / 328,861.02-493,305.26-104,216.49

Finding the Fourth Proportional to 328,861.02, 493,305.26 and 104,216.49

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Solution

The fourth proportional to 328,861.02, 493,305.26 and 104,216.49 is: 156,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,861.02 : 493,305.26 = 104,216.49 : x
  2. Step 2: Convert to fraction form
    328,861.02/493,305.26 = 104,216.49/x
  3. Step 3: Cross multiply
    328,861.02x = 493,305.26 × 104,216.49
  4. Step 4: Simplify right side
    328,861.02x = 51,410,542,174.66
  5. Step 5: Solve for x
    x = 51,410,542,174.66/328,861.02
  6. Step 6: Final answer
    x = 156,329.08

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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.