Home / 397,966.58-549,016.44-268,863.56

Finding the Fourth Proportional to 397,966.58, 549,016.44 and 268,863.56

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Solution

The fourth proportional to 397,966.58, 549,016.44 and 268,863.56 is: 370,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,966.58 : 549,016.44 = 268,863.56 : x
  2. Step 2: Convert to fraction form
    397,966.58/549,016.44 = 268,863.56/x
  3. Step 3: Cross multiply
    397,966.58x = 549,016.44 × 268,863.56
  4. Step 4: Simplify right side
    397,966.58x = 147,610,514,556.93
  5. Step 5: Solve for x
    x = 147,610,514,556.93/397,966.58
  6. Step 6: Final answer
    x = 370,911.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.