Finding the Fourth Proportional to 216,658.06, 324,920.87 and 76,383.88
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Solution
The fourth proportional to 216,658.06, 324,920.87 and 76,383.88 is: 114,552.47
Step by Step Solution
- Step 1: Write the proportion equation
216,658.06 : 324,920.87 = 76,383.88 : x - Step 2: Convert to fraction form
216,658.06/324,920.87 = 76,383.88/x - Step 3: Cross multiply
216,658.06x = 324,920.87 × 76,383.88 - Step 4: Simplify right side
216,658.06x = 24,818,714,737.05 - Step 5: Solve for x
x = 24,818,714,737.05/216,658.06 - Step 6: Final answer
x = 114,552.47
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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.