Home / 386,824.44-579,964.50-149,967.48

Finding the Fourth Proportional to 386,824.44, 579,964.50 and 149,967.48

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Solution

The fourth proportional to 386,824.44, 579,964.50 and 149,967.48 is: 224,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,824.44 : 579,964.50 = 149,967.48 : x
  2. Step 2: Convert to fraction form
    386,824.44/579,964.50 = 149,967.48/x
  3. Step 3: Cross multiply
    386,824.44x = 579,964.50 × 149,967.48
  4. Step 4: Simplify right side
    386,824.44x = 86,975,814,554.46
  5. Step 5: Solve for x
    x = 86,975,814,554.46/386,824.44
  6. Step 6: Final answer
    x = 224,845.71

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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.