Home / 205,335.60-307,573.78-165,137.30

Finding the Fourth Proportional to 205,335.60, 307,573.78 and 165,137.30

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Solution

The fourth proportional to 205,335.60, 307,573.78 and 165,137.30 is: 247,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,335.60 : 307,573.78 = 165,137.30 : x
  2. Step 2: Convert to fraction form
    205,335.60/307,573.78 = 165,137.30/x
  3. Step 3: Cross multiply
    205,335.60x = 307,573.78 × 165,137.30
  4. Step 4: Simplify right side
    205,335.60x = 50,791,903,579.99
  5. Step 5: Solve for x
    x = 50,791,903,579.99/205,335.60
  6. Step 6: Final answer
    x = 247,360.44

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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.