Finding the Fourth Proportional to 284,452.19, 426,678.14 and 84,767.48
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Solution
The fourth proportional to 284,452.19, 426,678.14 and 84,767.48 is: 127,151.17
Step by Step Solution
- Step 1: Write the proportion equation
284,452.19 : 426,678.14 = 84,767.48 : x - Step 2: Convert to fraction form
284,452.19/426,678.14 = 84,767.48/x - Step 3: Cross multiply
284,452.19x = 426,678.14 × 84,767.48 - Step 4: Simplify right side
284,452.19x = 36,168,428,777.42 - Step 5: Solve for x
x = 36,168,428,777.42/284,452.19 - Step 6: Final answer
x = 127,151.17
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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.