Home / 218,818.22-327,659.36-187,429.64

Finding the Fourth Proportional to 218,818.22, 327,659.36 and 187,429.64

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Solution

The fourth proportional to 218,818.22, 327,659.36 and 187,429.64 is: 280,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.22 : 327,659.36 = 187,429.64 : x
  2. Step 2: Convert to fraction form
    218,818.22/327,659.36 = 187,429.64/x
  3. Step 3: Cross multiply
    218,818.22x = 327,659.36 × 187,429.64
  4. Step 4: Simplify right side
    218,818.22x = 61,413,075,887.43
  5. Step 5: Solve for x
    x = 61,413,075,887.43/218,818.22
  6. Step 6: Final answer
    x = 280,657.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.