Home / 231,721.12-347,647.44-119,483.20

Finding the Fourth Proportional to 231,721.12, 347,647.44 and 119,483.20

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Solution

The fourth proportional to 231,721.12, 347,647.44 and 119,483.20 is: 179,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721.12 : 347,647.44 = 119,483.20 : x
  2. Step 2: Convert to fraction form
    231,721.12/347,647.44 = 119,483.20/x
  3. Step 3: Cross multiply
    231,721.12x = 347,647.44 × 119,483.20
  4. Step 4: Simplify right side
    231,721.12x = 41,538,028,603.01
  5. Step 5: Solve for x
    x = 41,538,028,603.01/231,721.12
  6. Step 6: Final answer
    x = 179,258.71

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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.