Home / 378,052.09-567,089.07-141,349.57

Finding the Fourth Proportional to 378,052.09, 567,089.07 and 141,349.57

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Solution

The fourth proportional to 378,052.09, 567,089.07 and 141,349.57 is: 212,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,052.09 : 567,089.07 = 141,349.57 : x
  2. Step 2: Convert to fraction form
    378,052.09/567,089.07 = 141,349.57/x
  3. Step 3: Cross multiply
    378,052.09x = 567,089.07 × 141,349.57
  4. Step 4: Simplify right side
    378,052.09x = 80,157,796,196.20
  5. Step 5: Solve for x
    x = 80,157,796,196.20/378,052.09
  6. Step 6: Final answer
    x = 212,028.44

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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.