Finding the Fourth Proportional to 248,528.66, 342,979.26 and 141,108.70
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Solution
The fourth proportional to 248,528.66, 342,979.26 and 141,108.70 is: 194,735.52
Step by Step Solution
- Step 1: Write the proportion equation
248,528.66 : 342,979.26 = 141,108.70 : x - Step 2: Convert to fraction form
248,528.66/342,979.26 = 141,108.70/x - Step 3: Cross multiply
248,528.66x = 342,979.26 × 141,108.70 - Step 4: Simplify right side
248,528.66x = 48,397,357,505.56 - Step 5: Solve for x
x = 48,397,357,505.56/248,528.66 - Step 6: Final answer
x = 194,735.52
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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.