Finding the Fourth Proportional to 299,740.87, 413,918.63 and 192,497.74
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Solution
The fourth proportional to 299,740.87, 413,918.63 and 192,497.74 is: 265,824.28
Step by Step Solution
- Step 1: Write the proportion equation
299,740.87 : 413,918.63 = 192,497.74 : x - Step 2: Convert to fraction form
299,740.87/413,918.63 = 192,497.74/x - Step 3: Cross multiply
299,740.87x = 413,918.63 × 192,497.74 - Step 4: Simplify right side
299,740.87x = 79,678,399,230.55 - Step 5: Solve for x
x = 79,678,399,230.55/299,740.87 - Step 6: Final answer
x = 265,824.28
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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.