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Finding the Fourth Proportional to 649,626.71, 974,608.18 and 200,337.64

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Solution

The fourth proportional to 649,626.71, 974,608.18 and 200,337.64 is: 300,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,626.71 : 974,608.18 = 200,337.64 : x
  2. Step 2: Convert to fraction form
    649,626.71/974,608.18 = 200,337.64/x
  3. Step 3: Cross multiply
    649,626.71x = 974,608.18 × 200,337.64
  4. Step 4: Simplify right side
    649,626.71x = 195,250,699,768.53
  5. Step 5: Solve for x
    x = 195,250,699,768.53/649,626.71
  6. Step 6: Final answer
    x = 300,558.30

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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.