Finding the Fourth Proportional to 311,556.84, 468,310.87 and 205,621.63
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Solution
The fourth proportional to 311,556.84, 468,310.87 and 205,621.63 is: 309,076.33
Step by Step Solution
- Step 1: Write the proportion equation
311,556.84 : 468,310.87 = 205,621.63 : x - Step 2: Convert to fraction form
311,556.84/468,310.87 = 205,621.63/x - Step 3: Cross multiply
311,556.84x = 468,310.87 × 205,621.63 - Step 4: Simplify right side
311,556.84x = 96,294,844,436.12 - Step 5: Solve for x
x = 96,294,844,436.12/311,556.84 - Step 6: Final answer
x = 309,076.33
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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.