Home / 347,971.36-521,994.48-111,229.60

Finding the Fourth Proportional to 347,971.36, 521,994.48 and 111,229.60

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Solution

The fourth proportional to 347,971.36, 521,994.48 and 111,229.60 is: 166,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,971.36 : 521,994.48 = 111,229.60 : x
  2. Step 2: Convert to fraction form
    347,971.36/521,994.48 = 111,229.60/x
  3. Step 3: Cross multiply
    347,971.36x = 521,994.48 × 111,229.60
  4. Step 4: Simplify right side
    347,971.36x = 58,061,237,212.61
  5. Step 5: Solve for x
    x = 58,061,237,212.61/347,971.36
  6. Step 6: Final answer
    x = 166,856.37

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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.