Home / 211,289.54-291,450.01-172,583.61

Finding the Fourth Proportional to 211,289.54, 291,450.01 and 172,583.61

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Solution

The fourth proportional to 211,289.54, 291,450.01 and 172,583.61 is: 238,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,289.54 : 291,450.01 = 172,583.61 : x
  2. Step 2: Convert to fraction form
    211,289.54/291,450.01 = 172,583.61/x
  3. Step 3: Cross multiply
    211,289.54x = 291,450.01 × 172,583.61
  4. Step 4: Simplify right side
    211,289.54x = 50,299,493,997.42
  5. Step 5: Solve for x
    x = 50,299,493,997.42/211,289.54
  6. Step 6: Final answer
    x = 238,059.56

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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.