Finding the Fourth Proportional to 198,302.98, 273,658.44 and 107,658.94
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Solution
The fourth proportional to 198,302.98, 273,658.44 and 107,658.94 is: 148,569.52
Step by Step Solution
- Step 1: Write the proportion equation
198,302.98 : 273,658.44 = 107,658.94 : x - Step 2: Convert to fraction form
198,302.98/273,658.44 = 107,658.94/x - Step 3: Cross multiply
198,302.98x = 273,658.44 × 107,658.94 - Step 4: Simplify right side
198,302.98x = 29,461,777,572.45 - Step 5: Solve for x
x = 29,461,777,572.45/198,302.98 - Step 6: Final answer
x = 148,569.52
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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.