Finding the Fourth Proportional to 209,388.96, 314,082.99 and 61,644.96
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Solution
The fourth proportional to 209,388.96, 314,082.99 and 61,644.96 is: 92,467.31
Step by Step Solution
- Step 1: Write the proportion equation
209,388.96 : 314,082.99 = 61,644.96 : x - Step 2: Convert to fraction form
209,388.96/314,082.99 = 61,644.96/x - Step 3: Cross multiply
209,388.96x = 314,082.99 × 61,644.96 - Step 4: Simplify right side
209,388.96x = 19,361,633,355.23 - Step 5: Solve for x
x = 19,361,633,355.23/209,388.96 - Step 6: Final answer
x = 92,467.31
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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.