Finding the Fourth Proportional to 183,998.40, 275,657.40 and 104,877.60
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Solution
The fourth proportional to 183,998.40, 275,657.40 and 104,877.60 is: 157,122.49
Step by Step Solution
- Step 1: Write the proportion equation
183,998.40 : 275,657.40 = 104,877.60 : x - Step 2: Convert to fraction form
183,998.40/275,657.40 = 104,877.60/x - Step 3: Cross multiply
183,998.40x = 275,657.40 × 104,877.60 - Step 4: Simplify right side
183,998.40x = 28,910,286,534.24 - Step 5: Solve for x
x = 28,910,286,534.24/183,998.40 - Step 6: Final answer
x = 157,122.49
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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.