Home / 215,309.43-296,819.01-151,449.03

Finding the Fourth Proportional to 215,309.43, 296,819.01 and 151,449.03

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Solution

The fourth proportional to 215,309.43, 296,819.01 and 151,449.03 is: 208,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,309.43 : 296,819.01 = 151,449.03 : x
  2. Step 2: Convert to fraction form
    215,309.43/296,819.01 = 151,449.03/x
  3. Step 3: Cross multiply
    215,309.43x = 296,819.01 × 151,449.03
  4. Step 4: Simplify right side
    215,309.43x = 44,952,951,150.06
  5. Step 5: Solve for x
    x = 44,952,951,150.06/215,309.43
  6. Step 6: Final answer
    x = 208,783.01

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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.