Home / 218,619.56-301,826.22-143,299.28

Finding the Fourth Proportional to 218,619.56, 301,826.22 and 143,299.28

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Solution

The fourth proportional to 218,619.56, 301,826.22 and 143,299.28 is: 197,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,619.56 : 301,826.22 = 143,299.28 : x
  2. Step 2: Convert to fraction form
    218,619.56/301,826.22 = 143,299.28/x
  3. Step 3: Cross multiply
    218,619.56x = 301,826.22 × 143,299.28
  4. Step 4: Simplify right side
    218,619.56x = 43,251,480,228.31
  5. Step 5: Solve for x
    x = 43,251,480,228.31/218,619.56
  6. Step 6: Final answer
    x = 197,839.02

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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.