Home / 290,971.58-401,725.25-199,244.35

Finding the Fourth Proportional to 290,971.58, 401,725.25 and 199,244.35

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Solution

The fourth proportional to 290,971.58, 401,725.25 and 199,244.35 is: 275,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,971.58 : 401,725.25 = 199,244.35 : x
  2. Step 2: Convert to fraction form
    290,971.58/401,725.25 = 199,244.35/x
  3. Step 3: Cross multiply
    290,971.58x = 401,725.25 × 199,244.35
  4. Step 4: Simplify right side
    290,971.58x = 80,041,486,567.94
  5. Step 5: Solve for x
    x = 80,041,486,567.94/290,971.58
  6. Step 6: Final answer
    x = 275,083.52

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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.