Finding the Fourth Proportional to 284,316.14, 392,036.40 and 232,471.49
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Solution
The fourth proportional to 284,316.14, 392,036.40 and 232,471.49 is: 320,549.11
Step by Step Solution
- Step 1: Write the proportion equation
284,316.14 : 392,036.40 = 232,471.49 : x - Step 2: Convert to fraction form
284,316.14/392,036.40 = 232,471.49/x - Step 3: Cross multiply
284,316.14x = 392,036.40 × 232,471.49 - Step 4: Simplify right side
284,316.14x = 91,137,284,082.05 - Step 5: Solve for x
x = 91,137,284,082.05/284,316.14 - Step 6: Final answer
x = 320,549.11
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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.