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Finding the Fourth Proportional to 503,795.38, 755,792.74 and 143,969.46

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Solution

The fourth proportional to 503,795.38, 755,792.74 and 143,969.46 is: 215,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,795.38 : 755,792.74 = 143,969.46 : x
  2. Step 2: Convert to fraction form
    503,795.38/755,792.74 = 143,969.46/x
  3. Step 3: Cross multiply
    503,795.38x = 755,792.74 × 143,969.46
  4. Step 4: Simplify right side
    503,795.38x = 108,811,072,649.72
  5. Step 5: Solve for x
    x = 108,811,072,649.72/503,795.38
  6. Step 6: Final answer
    x = 215,982.67

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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.