Finding the Fourth Proportional to 122,658.48, 183,948.84 and 52,518.96
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Solution
The fourth proportional to 122,658.48, 183,948.84 and 52,518.96 is: 78,761.79
Step by Step Solution
- Step 1: Write the proportion equation
122,658.48 : 183,948.84 = 52,518.96 : x - Step 2: Convert to fraction form
122,658.48/183,948.84 = 52,518.96/x - Step 3: Cross multiply
122,658.48x = 183,948.84 × 52,518.96 - Step 4: Simplify right side
122,658.48x = 9,660,801,770.01 - Step 5: Solve for x
x = 9,660,801,770.01/122,658.48 - Step 6: Final answer
x = 78,761.79
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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.