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Finding the Fourth Proportional to 270,468, 405,220.86 and 230,620.86

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Solution

The fourth proportional to 270,468, 405,220.86 and 230,620.86 is: 345,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,468 : 405,220.86 = 230,620.86 : x
  2. Step 2: Convert to fraction form
    270,468/405,220.86 = 230,620.86/x
  3. Step 3: Cross multiply
    270,468x = 405,220.86 × 230,620.86
  4. Step 4: Simplify right side
    270,468x = 93,452,383,223.14
  5. Step 5: Solve for x
    x = 93,452,383,223.14/270,468
  6. Step 6: Final answer
    x = 345,521.03

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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.