Home / 321,248.35-481,836.07-84,609.55

Finding the Fourth Proportional to 321,248.35, 481,836.07 and 84,609.55

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Solution

The fourth proportional to 321,248.35, 481,836.07 and 84,609.55 is: 126,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,248.35 : 481,836.07 = 84,609.55 : x
  2. Step 2: Convert to fraction form
    321,248.35/481,836.07 = 84,609.55/x
  3. Step 3: Cross multiply
    321,248.35x = 481,836.07 × 84,609.55
  4. Step 4: Simplify right side
    321,248.35x = 40,767,933,056.47
  5. Step 5: Solve for x
    x = 40,767,933,056.47/321,248.35
  6. Step 6: Final answer
    x = 126,904.72

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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.