Home / 231,904.52-347,906.44-71,977.11

Finding the Fourth Proportional to 231,904.52, 347,906.44 and 71,977.11

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Solution

The fourth proportional to 231,904.52, 347,906.44 and 71,977.11 is: 107,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,904.52 : 347,906.44 = 71,977.11 : x
  2. Step 2: Convert to fraction form
    231,904.52/347,906.44 = 71,977.11/x
  3. Step 3: Cross multiply
    231,904.52x = 347,906.44 × 71,977.11
  4. Step 4: Simplify right side
    231,904.52x = 25,041,298,886.91
  5. Step 5: Solve for x
    x = 25,041,298,886.91/231,904.52
  6. Step 6: Final answer
    x = 107,981.07

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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.