Home / 257,725.40-356,001.72-214,844.96

Finding the Fourth Proportional to 257,725.40, 356,001.72 and 214,844.96

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Solution

The fourth proportional to 257,725.40, 356,001.72 and 214,844.96 is: 296,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,725.40 : 356,001.72 = 214,844.96 : x
  2. Step 2: Convert to fraction form
    257,725.40/356,001.72 = 214,844.96/x
  3. Step 3: Cross multiply
    257,725.40x = 356,001.72 × 214,844.96
  4. Step 4: Simplify right side
    257,725.40x = 76,485,175,293.33
  5. Step 5: Solve for x
    x = 76,485,175,293.33/257,725.40
  6. Step 6: Final answer
    x = 296,770.03

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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.