Home / 263,575.68-395,304.22-121,284.46

Finding the Fourth Proportional to 263,575.68, 395,304.22 and 121,284.46

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Solution

The fourth proportional to 263,575.68, 395,304.22 and 121,284.46 is: 181,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,575.68 : 395,304.22 = 121,284.46 : x
  2. Step 2: Convert to fraction form
    263,575.68/395,304.22 = 121,284.46/x
  3. Step 3: Cross multiply
    263,575.68x = 395,304.22 × 121,284.46
  4. Step 4: Simplify right side
    263,575.68x = 47,944,258,858.42
  5. Step 5: Solve for x
    x = 47,944,258,858.42/263,575.68
  6. Step 6: Final answer
    x = 181,899.40

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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.