Home / 378,339.78-567,386.18-125,552.35

Finding the Fourth Proportional to 378,339.78, 567,386.18 and 125,552.35

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Solution

The fourth proportional to 378,339.78, 567,386.18 and 125,552.35 is: 188,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,339.78 : 567,386.18 = 125,552.35 : x
  2. Step 2: Convert to fraction form
    378,339.78/567,386.18 = 125,552.35/x
  3. Step 3: Cross multiply
    378,339.78x = 567,386.18 × 125,552.35
  4. Step 4: Simplify right side
    378,339.78x = 71,236,668,256.52
  5. Step 5: Solve for x
    x = 71,236,668,256.52/378,339.78
  6. Step 6: Final answer
    x = 188,287.54

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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.