Home / 270,669.98-405,820.44-137,293.05

Finding the Fourth Proportional to 270,669.98, 405,820.44 and 137,293.05

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Solution

The fourth proportional to 270,669.98, 405,820.44 and 137,293.05 is: 205,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,669.98 : 405,820.44 = 137,293.05 : x
  2. Step 2: Convert to fraction form
    270,669.98/405,820.44 = 137,293.05/x
  3. Step 3: Cross multiply
    270,669.98x = 405,820.44 × 137,293.05
  4. Step 4: Simplify right side
    270,669.98x = 55,716,325,959.94
  5. Step 5: Solve for x
    x = 55,716,325,959.94/270,669.98
  6. Step 6: Final answer
    x = 205,845.98

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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.