Finding the Fourth Proportional to 186,836.75, 257,840.18 and 101,959.28
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Solution
The fourth proportional to 186,836.75, 257,840.18 and 101,959.28 is: 140,706.79
Step by Step Solution
- Step 1: Write the proportion equation
186,836.75 : 257,840.18 = 101,959.28 : x - Step 2: Convert to fraction form
186,836.75/257,840.18 = 101,959.28/x - Step 3: Cross multiply
186,836.75x = 257,840.18 × 101,959.28 - Step 4: Simplify right side
186,836.75x = 26,289,199,362.77 - Step 5: Solve for x
x = 26,289,199,362.77/186,836.75 - Step 6: Final answer
x = 140,706.79
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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.