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Finding the Fourth Proportional to 248,571, 343,027.98 and 135,393.75

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Solution

The fourth proportional to 248,571, 343,027.98 and 135,393.75 is: 186,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,571 : 343,027.98 = 135,393.75 : x
  2. Step 2: Convert to fraction form
    248,571/343,027.98 = 135,393.75/x
  3. Step 3: Cross multiply
    248,571x = 343,027.98 × 135,393.75
  4. Step 4: Simplify right side
    248,571x = 46,443,844,567.13
  5. Step 5: Solve for x
    x = 46,443,844,567.13/248,571
  6. Step 6: Final answer
    x = 186,843.38

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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.