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Finding the Fourth Proportional to 201,240.70, 301,861.05 and 60,981.10

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Solution

The fourth proportional to 201,240.70, 301,861.05 and 60,981.10 is: 91,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,240.70 : 301,861.05 = 60,981.10 : x
  2. Step 2: Convert to fraction form
    201,240.70/301,861.05 = 60,981.10/x
  3. Step 3: Cross multiply
    201,240.70x = 301,861.05 × 60,981.10
  4. Step 4: Simplify right side
    201,240.70x = 18,407,818,876.16
  5. Step 5: Solve for x
    x = 18,407,818,876.16/201,240.70
  6. Step 6: Final answer
    x = 91,471.65

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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.