Home / 279,933.52-386,298.48-152,606.56

Finding the Fourth Proportional to 279,933.52, 386,298.48 and 152,606.56

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Solution

The fourth proportional to 279,933.52, 386,298.48 and 152,606.56 is: 210,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,933.52 : 386,298.48 = 152,606.56 : x
  2. Step 2: Convert to fraction form
    279,933.52/386,298.48 = 152,606.56/x
  3. Step 3: Cross multiply
    279,933.52x = 386,298.48 × 152,606.56
  4. Step 4: Simplify right side
    279,933.52x = 58,951,682,166.03
  5. Step 5: Solve for x
    x = 58,951,682,166.03/279,933.52
  6. Step 6: Final answer
    x = 210,591.72

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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.