Home / 324,111.51-447,149.03-203,041.89

Finding the Fourth Proportional to 324,111.51, 447,149.03 and 203,041.89

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Solution

The fourth proportional to 324,111.51, 447,149.03 and 203,041.89 is: 280,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,111.51 : 447,149.03 = 203,041.89 : x
  2. Step 2: Convert to fraction form
    324,111.51/447,149.03 = 203,041.89/x
  3. Step 3: Cross multiply
    324,111.51x = 447,149.03 × 203,041.89
  4. Step 4: Simplify right side
    324,111.51x = 90,789,983,147.66
  5. Step 5: Solve for x
    x = 90,789,983,147.66/324,111.51
  6. Step 6: Final answer
    x = 280,119.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.