Home / 226,111.48-311,945.08-135,471.28

Finding the Fourth Proportional to 226,111.48, 311,945.08 and 135,471.28

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Solution

The fourth proportional to 226,111.48, 311,945.08 and 135,471.28 is: 186,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,111.48 : 311,945.08 = 135,471.28 : x
  2. Step 2: Convert to fraction form
    226,111.48/311,945.08 = 135,471.28/x
  3. Step 3: Cross multiply
    226,111.48x = 311,945.08 × 135,471.28
  4. Step 4: Simplify right side
    226,111.48x = 42,259,599,277.30
  5. Step 5: Solve for x
    x = 42,259,599,277.30/226,111.48
  6. Step 6: Final answer
    x = 186,897.19

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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.