Finding the Fourth Proportional to 248,583.21, 343,033.02 and 141,139.14
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Solution
The fourth proportional to 248,583.21, 343,033.02 and 141,139.14 is: 194,765.31
Step by Step Solution
- Step 1: Write the proportion equation
248,583.21 : 343,033.02 = 141,139.14 : x - Step 2: Convert to fraction form
248,583.21/343,033.02 = 141,139.14/x - Step 3: Cross multiply
248,583.21x = 343,033.02 × 141,139.14 - Step 4: Simplify right side
248,583.21x = 48,415,385,434.40 - Step 5: Solve for x
x = 48,415,385,434.40/248,583.21 - Step 6: Final answer
x = 194,765.31
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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.