Home / 285,927.44-428,213.19-226,572.26

Finding the Fourth Proportional to 285,927.44, 428,213.19 and 226,572.26

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Solution

The fourth proportional to 285,927.44, 428,213.19 and 226,572.26 is: 339,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,927.44 : 428,213.19 = 226,572.26 : x
  2. Step 2: Convert to fraction form
    285,927.44/428,213.19 = 226,572.26/x
  3. Step 3: Cross multiply
    285,927.44x = 428,213.19 × 226,572.26
  4. Step 4: Simplify right side
    285,927.44x = 97,021,230,220.11
  5. Step 5: Solve for x
    x = 97,021,230,220.11/285,927.44
  6. Step 6: Final answer
    x = 339,321.16

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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.