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Finding the Fourth Proportional to 225,102.07, 337,670.79 and 75,342.88

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Solution

The fourth proportional to 225,102.07, 337,670.79 and 75,342.88 is: 113,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,102.07 : 337,670.79 = 75,342.88 : x
  2. Step 2: Convert to fraction form
    225,102.07/337,670.79 = 75,342.88/x
  3. Step 3: Cross multiply
    225,102.07x = 337,670.79 × 75,342.88
  4. Step 4: Simplify right side
    225,102.07x = 25,441,089,810.48
  5. Step 5: Solve for x
    x = 25,441,089,810.48/225,102.07
  6. Step 6: Final answer
    x = 113,020.24

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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.