Home / 248,382.28-342,758.82-135,202.60

Finding the Fourth Proportional to 248,382.28, 342,758.82 and 135,202.60

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Solution

The fourth proportional to 248,382.28, 342,758.82 and 135,202.60 is: 186,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,382.28 : 342,758.82 = 135,202.60 : x
  2. Step 2: Convert to fraction form
    248,382.28/342,758.82 = 135,202.60/x
  3. Step 3: Cross multiply
    248,382.28x = 342,758.82 × 135,202.60
  4. Step 4: Simplify right side
    248,382.28x = 46,341,883,636.93
  5. Step 5: Solve for x
    x = 46,341,883,636.93/248,382.28
  6. Step 6: Final answer
    x = 186,574.84

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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.