Home / 268,724.64-400,716.18-266,326.32

Finding the Fourth Proportional to 268,724.64, 400,716.18 and 266,326.32

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Solution

The fourth proportional to 268,724.64, 400,716.18 and 266,326.32 is: 397,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,724.64 : 400,716.18 = 266,326.32 : x
  2. Step 2: Convert to fraction form
    268,724.64/400,716.18 = 266,326.32/x
  3. Step 3: Cross multiply
    268,724.64x = 400,716.18 × 266,326.32
  4. Step 4: Simplify right side
    268,724.64x = 106,721,265,583.86
  5. Step 5: Solve for x
    x = 106,721,265,583.86/268,724.64
  6. Step 6: Final answer
    x = 397,139.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.