Finding the Fourth Proportional to 216,463.08, 324,737.15 and 66,677.88
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Solution
The fourth proportional to 216,463.08, 324,737.15 and 66,677.88 is: 100,029.92
Step by Step Solution
- Step 1: Write the proportion equation
216,463.08 : 324,737.15 = 66,677.88 : x - Step 2: Convert to fraction form
216,463.08/324,737.15 = 66,677.88/x - Step 3: Cross multiply
216,463.08x = 324,737.15 × 66,677.88 - Step 4: Simplify right side
216,463.08x = 21,652,784,385.85 - Step 5: Solve for x
x = 21,652,784,385.85/216,463.08 - Step 6: Final answer
x = 100,029.92
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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.