Home / 324,919.08-487,618.10-154,141.35

Finding the Fourth Proportional to 324,919.08, 487,618.10 and 154,141.35

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Solution

The fourth proportional to 324,919.08, 487,618.10 and 154,141.35 is: 231,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,919.08 : 487,618.10 = 154,141.35 : x
  2. Step 2: Convert to fraction form
    324,919.08/487,618.10 = 154,141.35/x
  3. Step 3: Cross multiply
    324,919.08x = 487,618.10 × 154,141.35
  4. Step 4: Simplify right side
    324,919.08x = 75,162,112,218.44
  5. Step 5: Solve for x
    x = 75,162,112,218.44/324,919.08
  6. Step 6: Final answer
    x = 231,325.63

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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.