Home / 268,536.20-402,458.70-205,896.20

Finding the Fourth Proportional to 268,536.20, 402,458.70 and 205,896.20

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Solution

The fourth proportional to 268,536.20, 402,458.70 and 205,896.20 is: 308,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,536.20 : 402,458.70 = 205,896.20 : x
  2. Step 2: Convert to fraction form
    268,536.20/402,458.70 = 205,896.20/x
  3. Step 3: Cross multiply
    268,536.20x = 402,458.70 × 205,896.20
  4. Step 4: Simplify right side
    268,536.20x = 82,864,716,986.94
  5. Step 5: Solve for x
    x = 82,864,716,986.94/268,536.20
  6. Step 6: Final answer
    x = 308,579.32

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1.5x scale

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.