Home / 310,832.37-428,718.67-214,067.18

Finding the Fourth Proportional to 310,832.37, 428,718.67 and 214,067.18

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Solution

The fourth proportional to 310,832.37, 428,718.67 and 214,067.18 is: 295,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,832.37 : 428,718.67 = 214,067.18 : x
  2. Step 2: Convert to fraction form
    310,832.37/428,718.67 = 214,067.18/x
  3. Step 3: Cross multiply
    310,832.37x = 428,718.67 × 214,067.18
  4. Step 4: Simplify right side
    310,832.37x = 91,774,597,236.88
  5. Step 5: Solve for x
    x = 91,774,597,236.88/310,832.37
  6. Step 6: Final answer
    x = 295,254.31

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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.