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Finding the Fourth Proportional to 339,549.60, 511,297.32 and 251,427.36

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Solution

The fourth proportional to 339,549.60, 511,297.32 and 251,427.36 is: 378,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,549.60 : 511,297.32 = 251,427.36 : x
  2. Step 2: Convert to fraction form
    339,549.60/511,297.32 = 251,427.36/x
  3. Step 3: Cross multiply
    339,549.60x = 511,297.32 × 251,427.36
  4. Step 4: Simplify right side
    339,549.60x = 128,554,135,342.68
  5. Step 5: Solve for x
    x = 128,554,135,342.68/339,549.60
  6. Step 6: Final answer
    x = 378,601.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.