Home / 200,865.92-301,300.60-51,106.34

Finding the Fourth Proportional to 200,865.92, 301,300.60 and 51,106.34

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Solution

The fourth proportional to 200,865.92, 301,300.60 and 51,106.34 is: 76,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,865.92 : 301,300.60 = 51,106.34 : x
  2. Step 2: Convert to fraction form
    200,865.92/301,300.60 = 51,106.34/x
  3. Step 3: Cross multiply
    200,865.92x = 301,300.60 × 51,106.34
  4. Step 4: Simplify right side
    200,865.92x = 15,398,370,905.80
  5. Step 5: Solve for x
    x = 15,398,370,905.80/200,865.92
  6. Step 6: Final answer
    x = 76,659.95

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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.