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Finding the Fourth Proportional to 333,885.46, 500,160.39 and 200,693.38

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Solution

The fourth proportional to 333,885.46, 500,160.39 and 200,693.38 is: 300,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,885.46 : 500,160.39 = 200,693.38 : x
  2. Step 2: Convert to fraction form
    333,885.46/500,160.39 = 200,693.38/x
  3. Step 3: Cross multiply
    333,885.46x = 500,160.39 × 200,693.38
  4. Step 4: Simplify right side
    333,885.46x = 100,378,879,211.22
  5. Step 5: Solve for x
    x = 100,378,879,211.22/333,885.46
  6. Step 6: Final answer
    x = 300,638.67

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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.