Finding the Fourth Proportional to 209,005.16, 313,502.26 and 74,067.26
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Solution
The fourth proportional to 209,005.16, 313,502.26 and 74,067.26 is: 111,098.95
Step by Step Solution
- Step 1: Write the proportion equation
209,005.16 : 313,502.26 = 74,067.26 : x - Step 2: Convert to fraction form
209,005.16/313,502.26 = 74,067.26/x - Step 3: Cross multiply
209,005.16x = 313,502.26 × 74,067.26 - Step 4: Simplify right side
209,005.16x = 23,220,253,402.01 - Step 5: Solve for x
x = 23,220,253,402.01/209,005.16 - Step 6: Final answer
x = 111,098.95
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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.