Home / 250,425.45-345,586.31-135,704.54

Finding the Fourth Proportional to 250,425.45, 345,586.31 and 135,704.54

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Solution

The fourth proportional to 250,425.45, 345,586.31 and 135,704.54 is: 187,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.45 : 345,586.31 = 135,704.54 : x
  2. Step 2: Convert to fraction form
    250,425.45/345,586.31 = 135,704.54/x
  3. Step 3: Cross multiply
    250,425.45x = 345,586.31 × 135,704.54
  4. Step 4: Simplify right side
    250,425.45x = 46,897,628,822.39
  5. Step 5: Solve for x
    x = 46,897,628,822.39/250,425.45
  6. Step 6: Final answer
    x = 187,271.82

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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.