Finding the Fourth Proportional to 208,117.08, 311,593.23 and 133,048.44
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Solution
The fourth proportional to 208,117.08, 311,593.23 and 133,048.44 is: 199,200.34
Step by Step Solution
- Step 1: Write the proportion equation
208,117.08 : 311,593.23 = 133,048.44 : x - Step 2: Convert to fraction form
208,117.08/311,593.23 = 133,048.44/x - Step 3: Cross multiply
208,117.08x = 311,593.23 × 133,048.44 - Step 4: Simplify right side
208,117.08x = 41,456,993,166.06 - Step 5: Solve for x
x = 41,456,993,166.06/208,117.08 - Step 6: Final answer
x = 199,200.34
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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.