Home / 290,908.25-401,225.65-199,081.93

Finding the Fourth Proportional to 290,908.25, 401,225.65 and 199,081.93

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Solution

The fourth proportional to 290,908.25, 401,225.65 and 199,081.93 is: 274,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,908.25 : 401,225.65 = 199,081.93 : x
  2. Step 2: Convert to fraction form
    290,908.25/401,225.65 = 199,081.93/x
  3. Step 3: Cross multiply
    290,908.25x = 401,225.65 × 199,081.93
  4. Step 4: Simplify right side
    290,908.25x = 79,876,776,010.42
  5. Step 5: Solve for x
    x = 79,876,776,010.42/290,908.25
  6. Step 6: Final answer
    x = 274,577.21

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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.