Home / 252,021.15-378,031.73-222,496.65

Finding the Fourth Proportional to 252,021.15, 378,031.73 and 222,496.65

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Solution

The fourth proportional to 252,021.15, 378,031.73 and 222,496.65 is: 333,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,021.15 : 378,031.73 = 222,496.65 : x
  2. Step 2: Convert to fraction form
    252,021.15/378,031.73 = 222,496.65/x
  3. Step 3: Cross multiply
    252,021.15x = 378,031.73 × 222,496.65
  4. Step 4: Simplify right side
    252,021.15x = 84,110,792,406.22
  5. Step 5: Solve for x
    x = 84,110,792,406.22/252,021.15
  6. Step 6: Final answer
    x = 333,744.98

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1.5x scale

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.