Finding the Fourth Proportional to 186,791.24, 257,779.14 and 106,226.12
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Solution
The fourth proportional to 186,791.24, 257,779.14 and 106,226.12 is: 146,596.16
Step by Step Solution
- Step 1: Write the proportion equation
186,791.24 : 257,779.14 = 106,226.12 : x - Step 2: Convert to fraction form
186,791.24/257,779.14 = 106,226.12/x - Step 3: Cross multiply
186,791.24x = 257,779.14 × 106,226.12 - Step 4: Simplify right side
186,791.24x = 27,382,877,859.14 - Step 5: Solve for x
x = 27,382,877,859.14/186,791.24 - Step 6: Final answer
x = 146,596.16
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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.