Home / 309,735.24-427,382.82-182,436.18

Finding the Fourth Proportional to 309,735.24, 427,382.82 and 182,436.18

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Solution

The fourth proportional to 309,735.24, 427,382.82 and 182,436.18 is: 251,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,735.24 : 427,382.82 = 182,436.18 : x
  2. Step 2: Convert to fraction form
    309,735.24/427,382.82 = 182,436.18/x
  3. Step 3: Cross multiply
    309,735.24x = 427,382.82 × 182,436.18
  4. Step 4: Simplify right side
    309,735.24x = 77,970,089,078.43
  5. Step 5: Solve for x
    x = 77,970,089,078.43/309,735.24
  6. Step 6: Final answer
    x = 251,731.41

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1.5x scale

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.