Home / 205,023.66-307,286.16-145,069.41

Finding the Fourth Proportional to 205,023.66, 307,286.16 and 145,069.41

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Solution

The fourth proportional to 205,023.66, 307,286.16 and 145,069.41 is: 217,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,023.66 : 307,286.16 = 145,069.41 : x
  2. Step 2: Convert to fraction form
    205,023.66/307,286.16 = 145,069.41/x
  3. Step 3: Cross multiply
    205,023.66x = 307,286.16 × 145,069.41
  4. Step 4: Simplify right side
    205,023.66x = 44,577,821,932.37
  5. Step 5: Solve for x
    x = 44,577,821,932.37/205,023.66
  6. Step 6: Final answer
    x = 217,427.70

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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.