Home / 324,943.03-487,233.51-100,239.72

Finding the Fourth Proportional to 324,943.03, 487,233.51 and 100,239.72

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Solution

The fourth proportional to 324,943.03, 487,233.51 and 100,239.72 is: 150,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,943.03 : 487,233.51 = 100,239.72 : x
  2. Step 2: Convert to fraction form
    324,943.03/487,233.51 = 100,239.72/x
  3. Step 3: Cross multiply
    324,943.03x = 487,233.51 × 100,239.72
  4. Step 4: Simplify right side
    324,943.03x = 48,840,150,617.02
  5. Step 5: Solve for x
    x = 48,840,150,617.02/324,943.03
  6. Step 6: Final answer
    x = 150,303.73

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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.