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Finding the Fourth Proportional to 201,660.70, 302,491.05 and 198,550.30

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Solution

The fourth proportional to 201,660.70, 302,491.05 and 198,550.30 is: 297,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,660.70 : 302,491.05 = 198,550.30 : x
  2. Step 2: Convert to fraction form
    201,660.70/302,491.05 = 198,550.30/x
  3. Step 3: Cross multiply
    201,660.70x = 302,491.05 × 198,550.30
  4. Step 4: Simplify right side
    201,660.70x = 60,059,688,724.82
  5. Step 5: Solve for x
    x = 60,059,688,724.82/201,660.70
  6. Step 6: Final answer
    x = 297,825.45

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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.