Home / 270,010.45-372,335.33-231,896.21

Finding the Fourth Proportional to 270,010.45, 372,335.33 and 231,896.21

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Solution

The fourth proportional to 270,010.45, 372,335.33 and 231,896.21 is: 319,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,010.45 : 372,335.33 = 231,896.21 : x
  2. Step 2: Convert to fraction form
    270,010.45/372,335.33 = 231,896.21/x
  3. Step 3: Cross multiply
    270,010.45x = 372,335.33 × 231,896.21
  4. Step 4: Simplify right side
    270,010.45x = 86,343,150,594.16
  5. Step 5: Solve for x
    x = 86,343,150,594.16/270,010.45
  6. Step 6: Final answer
    x = 319,777.07

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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.