Home / 250,429.41-345,593.64-135,708.30

Finding the Fourth Proportional to 250,429.41, 345,593.64 and 135,708.30

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Solution

The fourth proportional to 250,429.41, 345,593.64 and 135,708.30 is: 187,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,429.41 : 345,593.64 = 135,708.30 : x
  2. Step 2: Convert to fraction form
    250,429.41/345,593.64 = 135,708.30/x
  3. Step 3: Cross multiply
    250,429.41x = 345,593.64 × 135,708.30
  4. Step 4: Simplify right side
    250,429.41x = 46,899,925,375.21
  5. Step 5: Solve for x
    x = 46,899,925,375.21/250,429.41
  6. Step 6: Final answer
    x = 187,278.03

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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.