Finding the Fourth Proportional to 215,341.84, 323,538.36 and 203,405.68
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Solution
The fourth proportional to 215,341.84, 323,538.36 and 203,405.68 is: 305,604.99
Step by Step Solution
- Step 1: Write the proportion equation
215,341.84 : 323,538.36 = 203,405.68 : x - Step 2: Convert to fraction form
215,341.84/323,538.36 = 203,405.68/x - Step 3: Cross multiply
215,341.84x = 323,538.36 × 203,405.68 - Step 4: Simplify right side
215,341.84x = 65,809,540,121.88 - Step 5: Solve for x
x = 65,809,540,121.88/215,341.84 - Step 6: Final answer
x = 305,604.99
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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.