Home / 654,039.81-981,060.15-180,725.61

Finding the Fourth Proportional to 654,039.81, 981,060.15 and 180,725.61

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Solution

The fourth proportional to 654,039.81, 981,060.15 and 180,725.61 is: 271,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,039.81 : 981,060.15 = 180,725.61 : x
  2. Step 2: Convert to fraction form
    654,039.81/981,060.15 = 180,725.61/x
  3. Step 3: Cross multiply
    654,039.81x = 981,060.15 × 180,725.61
  4. Step 4: Simplify right side
    654,039.81x = 177,302,694,055.44
  5. Step 5: Solve for x
    x = 177,302,694,055.44/654,039.81
  6. Step 6: Final answer
    x = 271,088.54

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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.