Home / 253,924.32-380,558.42-120,845.37

Finding the Fourth Proportional to 253,924.32, 380,558.42 and 120,845.37

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Solution

The fourth proportional to 253,924.32, 380,558.42 and 120,845.37 is: 181,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,924.32 : 380,558.42 = 120,845.37 : x
  2. Step 2: Convert to fraction form
    253,924.32/380,558.42 = 120,845.37/x
  3. Step 3: Cross multiply
    253,924.32x = 380,558.42 × 120,845.37
  4. Step 4: Simplify right side
    253,924.32x = 45,988,721,470.84
  5. Step 5: Solve for x
    x = 45,988,721,470.84/253,924.32
  6. Step 6: Final answer
    x = 181,111.92

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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.