Finding the Fourth Proportional to 209,625.57, 289,276.38 and 114,130.08
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Solution
The fourth proportional to 209,625.57, 289,276.38 and 114,130.08 is: 157,495.75
Step by Step Solution
- Step 1: Write the proportion equation
209,625.57 : 289,276.38 = 114,130.08 : x - Step 2: Convert to fraction form
209,625.57/289,276.38 = 114,130.08/x - Step 3: Cross multiply
209,625.57x = 289,276.38 × 114,130.08 - Step 4: Simplify right side
209,625.57x = 33,015,136,391.51 - Step 5: Solve for x
x = 33,015,136,391.51/209,625.57 - Step 6: Final answer
x = 157,495.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.