Home / 378,012.48-566,845.92-128,627.52

Finding the Fourth Proportional to 378,012.48, 566,845.92 and 128,627.52

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Solution

The fourth proportional to 378,012.48, 566,845.92 and 128,627.52 is: 192,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,012.48 : 566,845.92 = 128,627.52 : x
  2. Step 2: Convert to fraction form
    378,012.48/566,845.92 = 128,627.52/x
  3. Step 3: Cross multiply
    378,012.48x = 566,845.92 × 128,627.52
  4. Step 4: Simplify right side
    378,012.48x = 72,911,984,911.72
  5. Step 5: Solve for x
    x = 72,911,984,911.72/378,012.48
  6. Step 6: Final answer
    x = 192,882.48

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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.