Finding the Fourth Proportional to 154,664.28, 213,436.62 and 87,596.28
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Solution
The fourth proportional to 154,664.28, 213,436.62 and 87,596.28 is: 120,882.82
Step by Step Solution
- Step 1: Write the proportion equation
154,664.28 : 213,436.62 = 87,596.28 : x - Step 2: Convert to fraction form
154,664.28/213,436.62 = 87,596.28/x - Step 3: Cross multiply
154,664.28x = 213,436.62 × 87,596.28 - Step 4: Simplify right side
154,664.28x = 18,696,253,927.77 - Step 5: Solve for x
x = 18,696,253,927.77/154,664.28 - Step 6: Final answer
x = 120,882.82
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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.