Home / 286,099.18-394,725.63-165,224.50

Finding the Fourth Proportional to 286,099.18, 394,725.63 and 165,224.50

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Solution

The fourth proportional to 286,099.18, 394,725.63 and 165,224.50 is: 227,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,099.18 : 394,725.63 = 165,224.50 : x
  2. Step 2: Convert to fraction form
    286,099.18/394,725.63 = 165,224.50/x
  3. Step 3: Cross multiply
    286,099.18x = 394,725.63 × 165,224.50
  4. Step 4: Simplify right side
    286,099.18x = 65,218,344,853.94
  5. Step 5: Solve for x
    x = 65,218,344,853.94/286,099.18
  6. Step 6: Final answer
    x = 227,957.12

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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.