Finding the Fourth Proportional to 197,737.21, 296,474.60 and 138,644.47
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Solution
The fourth proportional to 197,737.21, 296,474.60 and 138,644.47 is: 207,874.70
Step by Step Solution
- Step 1: Write the proportion equation
197,737.21 : 296,474.60 = 138,644.47 : x - Step 2: Convert to fraction form
197,737.21/296,474.60 = 138,644.47/x - Step 3: Cross multiply
197,737.21x = 296,474.60 × 138,644.47 - Step 4: Simplify right side
197,737.21x = 41,104,563,092.24 - Step 5: Solve for x
x = 41,104,563,092.24/197,737.21 - Step 6: Final answer
x = 207,874.70
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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.