Home / 211,289.20-291,449.53-172,583.26

Finding the Fourth Proportional to 211,289.20, 291,449.53 and 172,583.26

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Solution

The fourth proportional to 211,289.20, 291,449.53 and 172,583.26 is: 238,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,289.20 : 291,449.53 = 172,583.26 : x
  2. Step 2: Convert to fraction form
    211,289.20/291,449.53 = 172,583.26/x
  3. Step 3: Cross multiply
    211,289.20x = 291,449.53 × 172,583.26
  4. Step 4: Simplify right side
    211,289.20x = 50,299,310,012.87
  5. Step 5: Solve for x
    x = 50,299,310,012.87/211,289.20
  6. Step 6: Final answer
    x = 238,059.07

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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.