Home / 226,707.26-312,849.53-123,338.20

Finding the Fourth Proportional to 226,707.26, 312,849.53 and 123,338.20

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Solution

The fourth proportional to 226,707.26, 312,849.53 and 123,338.20 is: 170,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,707.26 : 312,849.53 = 123,338.20 : x
  2. Step 2: Convert to fraction form
    226,707.26/312,849.53 = 123,338.20/x
  3. Step 3: Cross multiply
    226,707.26x = 312,849.53 × 123,338.20
  4. Step 4: Simplify right side
    226,707.26x = 38,586,297,901.05
  5. Step 5: Solve for x
    x = 38,586,297,901.05/226,707.26
  6. Step 6: Final answer
    x = 170,203.19

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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.