Finding the Fourth Proportional to 192,813.82, 289,152.99 and 57,837.65
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Solution
The fourth proportional to 192,813.82, 289,152.99 and 57,837.65 is: 86,736.15
Step by Step Solution
- Step 1: Write the proportion equation
192,813.82 : 289,152.99 = 57,837.65 : x - Step 2: Convert to fraction form
192,813.82/289,152.99 = 57,837.65/x - Step 3: Cross multiply
192,813.82x = 289,152.99 × 57,837.65 - Step 4: Simplify right side
192,813.82x = 16,723,927,986.31 - Step 5: Solve for x
x = 16,723,927,986.31/192,813.82 - Step 6: Final answer
x = 86,736.15
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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.