Finding the Fourth Proportional to 164,805.14, 246,880.18 and 80,318.94
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Solution
The fourth proportional to 164,805.14, 246,880.18 and 80,318.94 is: 120,318.79
Step by Step Solution
- Step 1: Write the proportion equation
164,805.14 : 246,880.18 = 80,318.94 : x - Step 2: Convert to fraction form
164,805.14/246,880.18 = 80,318.94/x - Step 3: Cross multiply
164,805.14x = 246,880.18 × 80,318.94 - Step 4: Simplify right side
164,805.14x = 19,829,154,702.01 - Step 5: Solve for x
x = 19,829,154,702.01/164,805.14 - Step 6: Final answer
x = 120,318.79
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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.