Home / 220,949.37-304,813.12-149,303.25

Finding the Fourth Proportional to 220,949.37, 304,813.12 and 149,303.25

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Solution

The fourth proportional to 220,949.37, 304,813.12 and 149,303.25 is: 205,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,949.37 : 304,813.12 = 149,303.25 : x
  2. Step 2: Convert to fraction form
    220,949.37/304,813.12 = 149,303.25/x
  3. Step 3: Cross multiply
    220,949.37x = 304,813.12 × 149,303.25
  4. Step 4: Simplify right side
    220,949.37x = 45,509,589,458.64
  5. Step 5: Solve for x
    x = 45,509,589,458.64/220,949.37
  6. Step 6: Final answer
    x = 205,972.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.