Home / 387,417.96-582,001.78-229,749.84

Finding the Fourth Proportional to 387,417.96, 582,001.78 and 229,749.84

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Solution

The fourth proportional to 387,417.96, 582,001.78 and 229,749.84 is: 345,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,417.96 : 582,001.78 = 229,749.84 : x
  2. Step 2: Convert to fraction form
    387,417.96/582,001.78 = 229,749.84/x
  3. Step 3: Cross multiply
    387,417.96x = 582,001.78 × 229,749.84
  4. Step 4: Simplify right side
    387,417.96x = 133,714,815,834.72
  5. Step 5: Solve for x
    x = 133,714,815,834.72/387,417.96
  6. Step 6: Final answer
    x = 345,143.56

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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.