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Finding the Fourth Proportional to 365,010.39, 503,708.97 and 203,867.67

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Solution

The fourth proportional to 365,010.39, 503,708.97 and 203,867.67 is: 281,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.39 : 503,708.97 = 203,867.67 : x
  2. Step 2: Convert to fraction form
    365,010.39/503,708.97 = 203,867.67/x
  3. Step 3: Cross multiply
    365,010.39x = 503,708.97 × 203,867.67
  4. Step 4: Simplify right side
    365,010.39x = 102,689,974,072.00
  5. Step 5: Solve for x
    x = 102,689,974,072.00/365,010.39
  6. Step 6: Final answer
    x = 281,334.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.