Finding the Fourth Proportional to 248,695.21, 343,187.17 and 141,251.14
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Solution
The fourth proportional to 248,695.21, 343,187.17 and 141,251.14 is: 194,919.63
Step by Step Solution
- Step 1: Write the proportion equation
248,695.21 : 343,187.17 = 141,251.14 : x - Step 2: Convert to fraction form
248,695.21/343,187.17 = 141,251.14/x - Step 3: Cross multiply
248,695.21x = 343,187.17 × 141,251.14 - Step 4: Simplify right side
248,695.21x = 48,475,578,995.87 - Step 5: Solve for x
x = 48,475,578,995.87/248,695.21 - Step 6: Final answer
x = 194,919.63
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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.