Home / 324,996.03-487,504.78-111,761.81

Finding the Fourth Proportional to 324,996.03, 487,504.78 and 111,761.81

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Solution

The fourth proportional to 324,996.03, 487,504.78 and 111,761.81 is: 167,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,996.03 : 487,504.78 = 111,761.81 : x
  2. Step 2: Convert to fraction form
    324,996.03/487,504.78 = 111,761.81/x
  3. Step 3: Cross multiply
    324,996.03x = 487,504.78 × 111,761.81
  4. Step 4: Simplify right side
    324,996.03x = 54,484,415,707.67
  5. Step 5: Solve for x
    x = 54,484,415,707.67/324,996.03
  6. Step 6: Final answer
    x = 167,646.40

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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.