Finding the Fourth Proportional to 198,973.92, 274,582.36 and 108,329.70
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Solution
The fourth proportional to 198,973.92, 274,582.36 and 108,329.70 is: 149,494.09
Step by Step Solution
- Step 1: Write the proportion equation
198,973.92 : 274,582.36 = 108,329.70 : x - Step 2: Convert to fraction form
198,973.92/274,582.36 = 108,329.70/x - Step 3: Cross multiply
198,973.92x = 274,582.36 × 108,329.70 - Step 4: Simplify right side
198,973.92x = 29,745,425,239.83 - Step 5: Solve for x
x = 29,745,425,239.83/198,973.92 - Step 6: Final answer
x = 149,494.09
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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.