Home / 205,165.27-308,289.12-110,465.47

Finding the Fourth Proportional to 205,165.27, 308,289.12 and 110,465.47

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Solution

The fourth proportional to 205,165.27, 308,289.12 and 110,465.47 is: 165,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,165.27 : 308,289.12 = 110,465.47 : x
  2. Step 2: Convert to fraction form
    205,165.27/308,289.12 = 110,465.47/x
  3. Step 3: Cross multiply
    205,165.27x = 308,289.12 × 110,465.47
  4. Step 4: Simplify right side
    205,165.27x = 34,055,301,765.96
  5. Step 5: Solve for x
    x = 34,055,301,765.96/205,165.27
  6. Step 6: Final answer
    x = 165,989.61

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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.