Finding the Fourth Proportional to 112,252.22, 154,927.83 and 66,932.99
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Solution
The fourth proportional to 112,252.22, 154,927.83 and 66,932.99 is: 92,379.31
Step by Step Solution
- Step 1: Write the proportion equation
112,252.22 : 154,927.83 = 66,932.99 : x - Step 2: Convert to fraction form
112,252.22/154,927.83 = 66,932.99/x - Step 3: Cross multiply
112,252.22x = 154,927.83 × 66,932.99 - Step 4: Simplify right side
112,252.22x = 10,369,782,896.11 - Step 5: Solve for x
x = 10,369,782,896.11/112,252.22 - Step 6: Final answer
x = 92,379.31
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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.