Finding the Fourth Proportional to 178,553.50, 246,403.80 and 102,074.26
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Solution
The fourth proportional to 178,553.50, 246,403.80 and 102,074.26 is: 140,862.46
Step by Step Solution
- Step 1: Write the proportion equation
178,553.50 : 246,403.80 = 102,074.26 : x - Step 2: Convert to fraction form
178,553.50/246,403.80 = 102,074.26/x - Step 3: Cross multiply
178,553.50x = 246,403.80 × 102,074.26 - Step 4: Simplify right side
178,553.50x = 25,151,485,546.19 - Step 5: Solve for x
x = 25,151,485,546.19/178,553.50 - Step 6: Final answer
x = 140,862.46
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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.