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Finding the Fourth Proportional to 200,336.76, 300,062.10 and 137,006.76

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Solution

The fourth proportional to 200,336.76, 300,062.10 and 137,006.76 is: 205,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,336.76 : 300,062.10 = 137,006.76 : x
  2. Step 2: Convert to fraction form
    200,336.76/300,062.10 = 137,006.76/x
  3. Step 3: Cross multiply
    200,336.76x = 300,062.10 × 137,006.76
  4. Step 4: Simplify right side
    200,336.76x = 41,110,536,119.80
  5. Step 5: Solve for x
    x = 41,110,536,119.80/200,336.76
  6. Step 6: Final answer
    x = 205,207.15

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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.