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Finding the Fourth Proportional to 200,727.90, 300,829.05 and 101,000.70

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Solution

The fourth proportional to 200,727.90, 300,829.05 and 101,000.70 is: 151,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,727.90 : 300,829.05 = 101,000.70 : x
  2. Step 2: Convert to fraction form
    200,727.90/300,829.05 = 101,000.70/x
  3. Step 3: Cross multiply
    200,727.90x = 300,829.05 × 101,000.70
  4. Step 4: Simplify right side
    200,727.90x = 30,383,944,630.34
  5. Step 5: Solve for x
    x = 30,383,944,630.34/200,727.90
  6. Step 6: Final answer
    x = 151,368.82

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1.5x scale

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.