Home / 767,972.21-1,151,974.91-235,481.45

Finding the Fourth Proportional to 767,972.21, 1,151,974.91 and 235,481.45

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Solution

The fourth proportional to 767,972.21, 1,151,974.91 and 235,481.45 is: 353,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,972.21 : 1,151,974.91 = 235,481.45 : x
  2. Step 2: Convert to fraction form
    767,972.21/1,151,974.91 = 235,481.45/x
  3. Step 3: Cross multiply
    767,972.21x = 1,151,974.91 × 235,481.45
  4. Step 4: Simplify right side
    767,972.21x = 271,268,716,999.25
  5. Step 5: Solve for x
    x = 271,268,716,999.25/767,972.21
  6. Step 6: Final answer
    x = 353,227.26

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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.