Finding the Fourth Proportional to 206,946.99, 310,419.72 and 57,186.99
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Solution
The fourth proportional to 206,946.99, 310,419.72 and 57,186.99 is: 85,780.27
Step by Step Solution
- Step 1: Write the proportion equation
206,946.99 : 310,419.72 = 57,186.99 : x - Step 2: Convert to fraction form
206,946.99/310,419.72 = 57,186.99/x - Step 3: Cross multiply
206,946.99x = 310,419.72 × 57,186.99 - Step 4: Simplify right side
206,946.99x = 17,751,969,423.44 - Step 5: Solve for x
x = 17,751,969,423.44/206,946.99 - Step 6: Final answer
x = 85,780.27
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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.