Finding the Fourth Proportional to 311,101.80, 465,486.30 and 206,125.80
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Solution
The fourth proportional to 311,101.80, 465,486.30 and 206,125.80 is: 308,415.88
Step by Step Solution
- Step 1: Write the proportion equation
311,101.80 : 465,486.30 = 206,125.80 : x - Step 2: Convert to fraction form
311,101.80/465,486.30 = 206,125.80/x - Step 3: Cross multiply
311,101.80x = 465,486.30 × 206,125.80 - Step 4: Simplify right side
311,101.80x = 95,948,735,976.54 - Step 5: Solve for x
x = 95,948,735,976.54/311,101.80 - Step 6: Final answer
x = 308,415.88
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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.