Home / 231,078.60-346,630.20-73,319.40

Finding the Fourth Proportional to 231,078.60, 346,630.20 and 73,319.40

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Solution

The fourth proportional to 231,078.60, 346,630.20 and 73,319.40 is: 109,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,078.60 : 346,630.20 = 73,319.40 : x
  2. Step 2: Convert to fraction form
    231,078.60/346,630.20 = 73,319.40/x
  3. Step 3: Cross multiply
    231,078.60x = 346,630.20 × 73,319.40
  4. Step 4: Simplify right side
    231,078.60x = 25,414,718,285.88
  5. Step 5: Solve for x
    x = 25,414,718,285.88/231,078.60
  6. Step 6: Final answer
    x = 109,983.00

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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.