Home / 663,242.28-995,057.21-213,953.23

Finding the Fourth Proportional to 663,242.28, 995,057.21 and 213,953.23

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Solution

The fourth proportional to 663,242.28, 995,057.21 and 213,953.23 is: 320,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,242.28 : 995,057.21 = 213,953.23 : x
  2. Step 2: Convert to fraction form
    663,242.28/995,057.21 = 213,953.23/x
  3. Step 3: Cross multiply
    663,242.28x = 995,057.21 × 213,953.23
  4. Step 4: Simplify right side
    663,242.28x = 212,895,704,114.29
  5. Step 5: Solve for x
    x = 212,895,704,114.29/663,242.28
  6. Step 6: Final answer
    x = 320,992.36

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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.