Home / 386,021.04-579,034.82-149,390.88

Finding the Fourth Proportional to 386,021.04, 579,034.82 and 149,390.88

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Solution

The fourth proportional to 386,021.04, 579,034.82 and 149,390.88 is: 224,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,021.04 : 579,034.82 = 149,390.88 : x
  2. Step 2: Convert to fraction form
    386,021.04/579,034.82 = 149,390.88/x
  3. Step 3: Cross multiply
    386,021.04x = 579,034.82 × 149,390.88
  4. Step 4: Simplify right side
    386,021.04x = 86,502,521,310.44
  5. Step 5: Solve for x
    x = 86,502,521,310.44/386,021.04
  6. Step 6: Final answer
    x = 224,087.58

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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.