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Finding the Fourth Proportional to 201,227.70, 301,841.55 and 198,117.30

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Solution

The fourth proportional to 201,227.70, 301,841.55 and 198,117.30 is: 297,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,227.70 : 301,841.55 = 198,117.30 : x
  2. Step 2: Convert to fraction form
    201,227.70/301,841.55 = 198,117.30/x
  3. Step 3: Cross multiply
    201,227.70x = 301,841.55 × 198,117.30
  4. Step 4: Simplify right side
    201,227.70x = 59,800,032,913.82
  5. Step 5: Solve for x
    x = 59,800,032,913.82/201,227.70
  6. Step 6: Final answer
    x = 297,175.95

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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.