Finding the Fourth Proportional to 186,907.05, 257,922.72 and 106,326.99
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Solution
The fourth proportional to 186,907.05, 257,922.72 and 106,326.99 is: 146,726.12
Step by Step Solution
- Step 1: Write the proportion equation
186,907.05 : 257,922.72 = 106,326.99 : x - Step 2: Convert to fraction form
186,907.05/257,922.72 = 106,326.99/x - Step 3: Cross multiply
186,907.05x = 257,922.72 × 106,326.99 - Step 4: Simplify right side
186,907.05x = 27,424,146,470.21 - Step 5: Solve for x
x = 27,424,146,470.21/186,907.05 - Step 6: Final answer
x = 146,726.12
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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.