Finding the Fourth Proportional to 206,988.26, 310,384.11 and 94,635.14
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Solution
The fourth proportional to 206,988.26, 310,384.11 and 94,635.14 is: 141,907.78
Step by Step Solution
- Step 1: Write the proportion equation
206,988.26 : 310,384.11 = 94,635.14 : x - Step 2: Convert to fraction form
206,988.26/310,384.11 = 94,635.14/x - Step 3: Cross multiply
206,988.26x = 310,384.11 × 94,635.14 - Step 4: Simplify right side
206,988.26x = 29,373,243,703.63 - Step 5: Solve for x
x = 29,373,243,703.63/206,988.26 - Step 6: Final answer
x = 141,907.78
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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.