Home / 324,979.60-487,757.40-191,693.20

Finding the Fourth Proportional to 324,979.60, 487,757.40 and 191,693.20

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Solution

The fourth proportional to 324,979.60, 487,757.40 and 191,693.20 is: 287,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,979.60 : 487,757.40 = 191,693.20 : x
  2. Step 2: Convert to fraction form
    324,979.60/487,757.40 = 191,693.20/x
  3. Step 3: Cross multiply
    324,979.60x = 487,757.40 × 191,693.20
  4. Step 4: Simplify right side
    324,979.60x = 93,499,776,829.68
  5. Step 5: Solve for x
    x = 93,499,776,829.68/324,979.60
  6. Step 6: Final answer
    x = 287,709.68

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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.