Finding the Fourth Proportional to 216,143.84, 324,211.62 and 97,732.46
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Solution
The fourth proportional to 216,143.84, 324,211.62 and 97,732.46 is: 146,596.82
Step by Step Solution
- Step 1: Write the proportion equation
216,143.84 : 324,211.62 = 97,732.46 : x - Step 2: Convert to fraction form
216,143.84/324,211.62 = 97,732.46/x - Step 3: Cross multiply
216,143.84x = 324,211.62 × 97,732.46 - Step 4: Simplify right side
216,143.84x = 31,685,999,183.19 - Step 5: Solve for x
x = 31,685,999,183.19/216,143.84 - Step 6: Final answer
x = 146,596.82
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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.