Home / 317,682.31-438,409.25-172,494.27

Finding the Fourth Proportional to 317,682.31, 438,409.25 and 172,494.27

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Solution

The fourth proportional to 317,682.31, 438,409.25 and 172,494.27 is: 238,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,682.31 : 438,409.25 = 172,494.27 : x
  2. Step 2: Convert to fraction form
    317,682.31/438,409.25 = 172,494.27/x
  3. Step 3: Cross multiply
    317,682.31x = 438,409.25 × 172,494.27
  4. Step 4: Simplify right side
    317,682.31x = 75,623,083,540.00
  5. Step 5: Solve for x
    x = 75,623,083,540.00/317,682.31
  6. Step 6: Final answer
    x = 238,046.25

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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.