Home / 439,786.44-659,678.04-159,238.08

Finding the Fourth Proportional to 439,786.44, 659,678.04 and 159,238.08

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Solution

The fourth proportional to 439,786.44, 659,678.04 and 159,238.08 is: 238,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,786.44 : 659,678.04 = 159,238.08 : x
  2. Step 2: Convert to fraction form
    439,786.44/659,678.04 = 159,238.08/x
  3. Step 3: Cross multiply
    439,786.44x = 659,678.04 × 159,238.08
  4. Step 4: Simplify right side
    439,786.44x = 105,045,864,507.76
  5. Step 5: Solve for x
    x = 105,045,864,507.76/439,786.44
  6. Step 6: Final answer
    x = 238,856.53

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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.