Home / 220,460.75-304,300.58-143,991.54

Finding the Fourth Proportional to 220,460.75, 304,300.58 and 143,991.54

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Solution

The fourth proportional to 220,460.75, 304,300.58 and 143,991.54 is: 198,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,460.75 : 304,300.58 = 143,991.54 : x
  2. Step 2: Convert to fraction form
    220,460.75/304,300.58 = 143,991.54/x
  3. Step 3: Cross multiply
    220,460.75x = 304,300.58 × 143,991.54
  4. Step 4: Simplify right side
    220,460.75x = 43,816,709,497.07
  5. Step 5: Solve for x
    x = 43,816,709,497.07/220,460.75
  6. Step 6: Final answer
    x = 198,750.61

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1.5x scale

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.