Home / 268,944.18-403,299.63-91,403.52

Finding the Fourth Proportional to 268,944.18, 403,299.63 and 91,403.52

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Solution

The fourth proportional to 268,944.18, 403,299.63 and 91,403.52 is: 137,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,944.18 : 403,299.63 = 91,403.52 : x
  2. Step 2: Convert to fraction form
    268,944.18/403,299.63 = 91,403.52/x
  3. Step 3: Cross multiply
    268,944.18x = 403,299.63 × 91,403.52
  4. Step 4: Simplify right side
    268,944.18x = 36,863,005,796.70
  5. Step 5: Solve for x
    x = 36,863,005,796.70/268,944.18
  6. Step 6: Final answer
    x = 137,065.64

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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.