Finding the Fourth Proportional to 421,952.70, 582,272.19 and 230,929.14
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Solution
The fourth proportional to 421,952.70, 582,272.19 and 230,929.14 is: 318,669.88
Step by Step Solution
- Step 1: Write the proportion equation
421,952.70 : 582,272.19 = 230,929.14 : x - Step 2: Convert to fraction form
421,952.70/582,272.19 = 230,929.14/x - Step 3: Cross multiply
421,952.70x = 582,272.19 × 230,929.14 - Step 4: Simplify right side
421,952.70x = 134,463,616,082.62 - Step 5: Solve for x
x = 134,463,616,082.62/421,952.70 - Step 6: Final answer
x = 318,669.88
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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.