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Finding the Fourth Proportional to 323,597.06, 485,465.65 and 123,917.46

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Solution

The fourth proportional to 323,597.06, 485,465.65 and 123,917.46 is: 185,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,597.06 : 485,465.65 = 123,917.46 : x
  2. Step 2: Convert to fraction form
    323,597.06/485,465.65 = 123,917.46/x
  3. Step 3: Cross multiply
    323,597.06x = 485,465.65 × 123,917.46
  4. Step 4: Simplify right side
    323,597.06x = 60,157,669,514.68
  5. Step 5: Solve for x
    x = 60,157,669,514.68/323,597.06
  6. Step 6: Final answer
    x = 185,903.01

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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.