Home / 335,715.20-503,196.96-257,151.68

Finding the Fourth Proportional to 335,715.20, 503,196.96 and 257,151.68

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Solution

The fourth proportional to 335,715.20, 503,196.96 and 257,151.68 is: 385,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,715.20 : 503,196.96 = 257,151.68 : x
  2. Step 2: Convert to fraction form
    335,715.20/503,196.96 = 257,151.68/x
  3. Step 3: Cross multiply
    335,715.20x = 503,196.96 × 257,151.68
  4. Step 4: Simplify right side
    335,715.20x = 129,397,943,634.89
  5. Step 5: Solve for x
    x = 129,397,943,634.89/335,715.20
  6. Step 6: Final answer
    x = 385,439.63

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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.