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Finding the Fourth Proportional to 381,337.29, 526,245.53 and 211,571.01

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Solution

The fourth proportional to 381,337.29, 526,245.53 and 211,571.01 is: 291,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,337.29 : 526,245.53 = 211,571.01 : x
  2. Step 2: Convert to fraction form
    381,337.29/526,245.53 = 211,571.01/x
  3. Step 3: Cross multiply
    381,337.29x = 526,245.53 × 211,571.01
  4. Step 4: Simplify right side
    381,337.29x = 111,338,297,232.23
  5. Step 5: Solve for x
    x = 111,338,297,232.23/381,337.29
  6. Step 6: Final answer
    x = 291,968.03

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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.