Finding the Fourth Proportional to 136,296.88, 204,487.17 and 69,783.70
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Solution
The fourth proportional to 136,296.88, 204,487.17 and 69,783.70 is: 104,696.99
Step by Step Solution
- Step 1: Write the proportion equation
136,296.88 : 204,487.17 = 69,783.70 : x - Step 2: Convert to fraction form
136,296.88/204,487.17 = 69,783.70/x - Step 3: Cross multiply
136,296.88x = 204,487.17 × 69,783.70 - Step 4: Simplify right side
136,296.88x = 14,269,872,091.96 - Step 5: Solve for x
x = 14,269,872,091.96/136,296.88 - Step 6: Final answer
x = 104,696.99
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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.