Home / 220,945.16-304,917.38-166,401.12

Finding the Fourth Proportional to 220,945.16, 304,917.38 and 166,401.12

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Solution

The fourth proportional to 220,945.16, 304,917.38 and 166,401.12 is: 229,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,945.16 : 304,917.38 = 166,401.12 : x
  2. Step 2: Convert to fraction form
    220,945.16/304,917.38 = 166,401.12/x
  3. Step 3: Cross multiply
    220,945.16x = 304,917.38 × 166,401.12
  4. Step 4: Simplify right side
    220,945.16x = 50,738,593,539.47
  5. Step 5: Solve for x
    x = 50,738,593,539.47/220,945.16
  6. Step 6: Final answer
    x = 229,643.38

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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.