Finding the Fourth Proportional to 186,497.94, 279,876.11 and 74,166.65
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Solution
The fourth proportional to 186,497.94, 279,876.11 and 74,166.65 is: 111,301.35
Step by Step Solution
- Step 1: Write the proportion equation
186,497.94 : 279,876.11 = 74,166.65 : x - Step 2: Convert to fraction form
186,497.94/279,876.11 = 74,166.65/x - Step 3: Cross multiply
186,497.94x = 279,876.11 × 74,166.65 - Step 4: Simplify right side
186,497.94x = 20,757,471,723.52 - Step 5: Solve for x
x = 20,757,471,723.52/186,497.94 - Step 6: Final answer
x = 111,301.35
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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.