Home / 320,941.64-442,914.68-193,614.50

Finding the Fourth Proportional to 320,941.64, 442,914.68 and 193,614.50

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Solution

The fourth proportional to 320,941.64, 442,914.68 and 193,614.50 is: 267,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,941.64 : 442,914.68 = 193,614.50 : x
  2. Step 2: Convert to fraction form
    320,941.64/442,914.68 = 193,614.50/x
  3. Step 3: Cross multiply
    320,941.64x = 442,914.68 × 193,614.50
  4. Step 4: Simplify right side
    320,941.64x = 85,754,704,310.86
  5. Step 5: Solve for x
    x = 85,754,704,310.86/320,941.64
  6. Step 6: Final answer
    x = 267,197.19

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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.