Finding the Fourth Proportional to 248,811.68, 343,251.84 and 158,119.02
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Solution
The fourth proportional to 248,811.68, 343,251.84 and 158,119.02 is: 218,135.44
Step by Step Solution
- Step 1: Write the proportion equation
248,811.68 : 343,251.84 = 158,119.02 : x - Step 2: Convert to fraction form
248,811.68/343,251.84 = 158,119.02/x - Step 3: Cross multiply
248,811.68x = 343,251.84 × 158,119.02 - Step 4: Simplify right side
248,811.68x = 54,274,644,949.29 - Step 5: Solve for x
x = 54,274,644,949.29/248,811.68 - Step 6: Final answer
x = 218,135.44
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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.