Finding the Fourth Proportional to 311,555.84, 468,309.37 and 205,620.63
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Solution
The fourth proportional to 311,555.84, 468,309.37 and 205,620.63 is: 309,074.83
Step by Step Solution
- Step 1: Write the proportion equation
311,555.84 : 468,309.37 = 205,620.63 : x - Step 2: Convert to fraction form
311,555.84/468,309.37 = 205,620.63/x - Step 3: Cross multiply
311,555.84x = 468,309.37 × 205,620.63 - Step 4: Simplify right side
311,555.84x = 96,294,067,694.30 - Step 5: Solve for x
x = 96,294,067,694.30/311,555.84 - Step 6: Final answer
x = 309,074.83
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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.