Home / 438,789.14-658,053.30-186,065.90

Finding the Fourth Proportional to 438,789.14, 658,053.30 and 186,065.90

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Solution

The fourth proportional to 438,789.14, 658,053.30 and 186,065.90 is: 279,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,789.14 : 658,053.30 = 186,065.90 : x
  2. Step 2: Convert to fraction form
    438,789.14/658,053.30 = 186,065.90/x
  3. Step 3: Cross multiply
    438,789.14x = 658,053.30 × 186,065.90
  4. Step 4: Simplify right side
    438,789.14x = 122,441,279,512.47
  5. Step 5: Solve for x
    x = 122,441,279,512.47/438,789.14
  6. Step 6: Final answer
    x = 279,043.55

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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.