Finding the Fourth Proportional to 207,282.96, 310,953.60 and 102,102.84
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Solution
The fourth proportional to 207,282.96, 310,953.60 and 102,102.84 is: 153,168.62
Step by Step Solution
- Step 1: Write the proportion equation
207,282.96 : 310,953.60 = 102,102.84 : x - Step 2: Convert to fraction form
207,282.96/310,953.60 = 102,102.84/x - Step 3: Cross multiply
207,282.96x = 310,953.60 × 102,102.84 - Step 4: Simplify right side
207,282.96x = 31,749,245,668.22 - Step 5: Solve for x
x = 31,749,245,668.22/207,282.96 - Step 6: Final answer
x = 153,168.62
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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.