Home / 320,985.04-443,166.60-206,314.96

Finding the Fourth Proportional to 320,985.04, 443,166.60 and 206,314.96

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Solution

The fourth proportional to 320,985.04, 443,166.60 and 206,314.96 is: 284,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,985.04 : 443,166.60 = 206,314.96 : x
  2. Step 2: Convert to fraction form
    320,985.04/443,166.60 = 206,314.96/x
  3. Step 3: Cross multiply
    320,985.04x = 443,166.60 × 206,314.96
  4. Step 4: Simplify right side
    320,985.04x = 91,431,899,352.34
  5. Step 5: Solve for x
    x = 91,431,899,352.34/320,985.04
  6. Step 6: Final answer
    x = 284,847.85

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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.