Home / 378,594.04-567,824.46-138,658.36

Finding the Fourth Proportional to 378,594.04, 567,824.46 and 138,658.36

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Solution

The fourth proportional to 378,594.04, 567,824.46 and 138,658.36 is: 207,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,594.04 : 567,824.46 = 138,658.36 : x
  2. Step 2: Convert to fraction form
    378,594.04/567,824.46 = 138,658.36/x
  3. Step 3: Cross multiply
    378,594.04x = 567,824.46 × 138,658.36
  4. Step 4: Simplify right side
    378,594.04x = 78,733,608,391.49
  5. Step 5: Solve for x
    x = 78,733,608,391.49/378,594.04
  6. Step 6: Final answer
    x = 207,963.15

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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.