Finding the Fourth Proportional to 205,612.87, 307,566.36 and 193,015.75
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Solution
The fourth proportional to 205,612.87, 307,566.36 and 193,015.75 is: 288,722.94
Step by Step Solution
- Step 1: Write the proportion equation
205,612.87 : 307,566.36 = 193,015.75 : x - Step 2: Convert to fraction form
205,612.87/307,566.36 = 193,015.75/x - Step 3: Cross multiply
205,612.87x = 307,566.36 × 193,015.75 - Step 4: Simplify right side
205,612.87x = 59,365,151,650.17 - Step 5: Solve for x
x = 59,365,151,650.17/205,612.87 - Step 6: Final answer
x = 288,722.94
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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.