Home / 331,004.32-456,716.27-216,450.88

Finding the Fourth Proportional to 331,004.32, 456,716.27 and 216,450.88

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Solution

The fourth proportional to 331,004.32, 456,716.27 and 216,450.88 is: 298,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,004.32 : 456,716.27 = 216,450.88 : x
  2. Step 2: Convert to fraction form
    331,004.32/456,716.27 = 216,450.88/x
  3. Step 3: Cross multiply
    331,004.32x = 456,716.27 × 216,450.88
  4. Step 4: Simplify right side
    331,004.32x = 98,856,638,551.82
  5. Step 5: Solve for x
    x = 98,856,638,551.82/331,004.32
  6. Step 6: Final answer
    x = 298,656.64

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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.