Finding the Fourth Proportional to 217,633.36, 324,682.79 and 205,862.44
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Solution
The fourth proportional to 217,633.36, 324,682.79 and 205,862.44 is: 307,122.00
Step by Step Solution
- Step 1: Write the proportion equation
217,633.36 : 324,682.79 = 205,862.44 : x - Step 2: Convert to fraction form
217,633.36/324,682.79 = 205,862.44/x - Step 3: Cross multiply
217,633.36x = 324,682.79 × 205,862.44 - Step 4: Simplify right side
217,633.36x = 66,839,990,677.47 - Step 5: Solve for x
x = 66,839,990,677.47/217,633.36 - Step 6: Final answer
x = 307,122.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.