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Finding the Fourth Proportional to 364,706.11, 503,273.96 and 203,571.55

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Solution

The fourth proportional to 364,706.11, 503,273.96 and 203,571.55 is: 280,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,706.11 : 503,273.96 = 203,571.55 : x
  2. Step 2: Convert to fraction form
    364,706.11/503,273.96 = 203,571.55/x
  3. Step 3: Cross multiply
    364,706.11x = 503,273.96 × 203,571.55
  4. Step 4: Simplify right side
    364,706.11x = 102,452,260,111.84
  5. Step 5: Solve for x
    x = 102,452,260,111.84/364,706.11
  6. Step 6: Final answer
    x = 280,917.31

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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.