Home / 654,479.46-981,609.84-181,212.66

Finding the Fourth Proportional to 654,479.46, 981,609.84 and 181,212.66

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Solution

The fourth proportional to 654,479.46, 981,609.84 and 181,212.66 is: 271,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,479.46 : 981,609.84 = 181,212.66 : x
  2. Step 2: Convert to fraction form
    654,479.46/981,609.84 = 181,212.66/x
  3. Step 3: Cross multiply
    654,479.46x = 981,609.84 × 181,212.66
  4. Step 4: Simplify right side
    654,479.46x = 177,880,130,188.57
  5. Step 5: Solve for x
    x = 177,880,130,188.57/654,479.46
  6. Step 6: Final answer
    x = 271,788.71

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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.