Home / 226,111.51-311,945.07-135,471.28

Finding the Fourth Proportional to 226,111.51, 311,945.07 and 135,471.28

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Solution

The fourth proportional to 226,111.51, 311,945.07 and 135,471.28 is: 186,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,111.51 : 311,945.07 = 135,471.28 : x
  2. Step 2: Convert to fraction form
    226,111.51/311,945.07 = 135,471.28/x
  3. Step 3: Cross multiply
    226,111.51x = 311,945.07 × 135,471.28
  4. Step 4: Simplify right side
    226,111.51x = 42,259,597,922.59
  5. Step 5: Solve for x
    x = 42,259,597,922.59/226,111.51
  6. Step 6: Final answer
    x = 186,897.15

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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.