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Finding the Fourth Proportional to 343,745.37, 515,610.13 and 202,486.74

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Solution

The fourth proportional to 343,745.37, 515,610.13 and 202,486.74 is: 303,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,745.37 : 515,610.13 = 202,486.74 : x
  2. Step 2: Convert to fraction form
    343,745.37/515,610.13 = 202,486.74/x
  3. Step 3: Cross multiply
    343,745.37x = 515,610.13 × 202,486.74
  4. Step 4: Simplify right side
    343,745.37x = 104,404,214,334.68
  5. Step 5: Solve for x
    x = 104,404,214,334.68/343,745.37
  6. Step 6: Final answer
    x = 303,725.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.