Home / 268,799.01-402,934.19-128,524.83

Finding the Fourth Proportional to 268,799.01, 402,934.19 and 128,524.83

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Solution

The fourth proportional to 268,799.01, 402,934.19 and 128,524.83 is: 192,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,799.01 : 402,934.19 = 128,524.83 : x
  2. Step 2: Convert to fraction form
    268,799.01/402,934.19 = 128,524.83/x
  3. Step 3: Cross multiply
    268,799.01x = 402,934.19 × 128,524.83
  4. Step 4: Simplify right side
    268,799.01x = 51,787,047,628.31
  5. Step 5: Solve for x
    x = 51,787,047,628.31/268,799.01
  6. Step 6: Final answer
    x = 192,660.86

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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.