Finding the Fourth Proportional to 284,365.84, 392,244.62 and 216,233.44
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Solution
The fourth proportional to 284,365.84, 392,244.62 and 216,233.44 is: 298,265.09
Step by Step Solution
- Step 1: Write the proportion equation
284,365.84 : 392,244.62 = 216,233.44 : x - Step 2: Convert to fraction form
284,365.84/392,244.62 = 216,233.44/x - Step 3: Cross multiply
284,365.84x = 392,244.62 × 216,233.44 - Step 4: Simplify right side
284,365.84x = 84,816,403,504.09 - Step 5: Solve for x
x = 84,816,403,504.09/284,365.84 - Step 6: Final answer
x = 298,265.09
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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.