Home / 251,979.90-378,115.65-94,224.30

Finding the Fourth Proportional to 251,979.90, 378,115.65 and 94,224.30

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Solution

The fourth proportional to 251,979.90, 378,115.65 and 94,224.30 is: 141,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,979.90 : 378,115.65 = 94,224.30 : x
  2. Step 2: Convert to fraction form
    251,979.90/378,115.65 = 94,224.30/x
  3. Step 3: Cross multiply
    251,979.90x = 378,115.65 × 94,224.30
  4. Step 4: Simplify right side
    251,979.90x = 35,627,682,440.30
  5. Step 5: Solve for x
    x = 35,627,682,440.30/251,979.90
  6. Step 6: Final answer
    x = 141,390.97

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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.