Home / 378,839.08-568,237.83-229,039.14

Finding the Fourth Proportional to 378,839.08, 568,237.83 and 229,039.14

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Solution

The fourth proportional to 378,839.08, 568,237.83 and 229,039.14 is: 343,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,839.08 : 568,237.83 = 229,039.14 : x
  2. Step 2: Convert to fraction form
    378,839.08/568,237.83 = 229,039.14/x
  3. Step 3: Cross multiply
    378,839.08x = 568,237.83 × 229,039.14
  4. Step 4: Simplify right side
    378,839.08x = 130,148,706,459.01
  5. Step 5: Solve for x
    x = 130,148,706,459.01/378,839.08
  6. Step 6: Final answer
    x = 343,546.15

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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.