Finding the Fourth Proportional to 186,737.19, 279,974.56 and 68,393.15
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Solution
The fourth proportional to 186,737.19, 279,974.56 and 68,393.15 is: 102,541.66
Step by Step Solution
- Step 1: Write the proportion equation
186,737.19 : 279,974.56 = 68,393.15 : x - Step 2: Convert to fraction form
186,737.19/279,974.56 = 68,393.15/x - Step 3: Cross multiply
186,737.19x = 279,974.56 × 68,393.15 - Step 4: Simplify right side
186,737.19x = 19,148,342,078.26 - Step 5: Solve for x
x = 19,148,342,078.26/186,737.19 - Step 6: Final answer
x = 102,541.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.