Finding the Fourth Proportional to 191,310.92, 264,007.80 and 105,275.14
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Solution
The fourth proportional to 191,310.92, 264,007.80 and 105,275.14 is: 145,278.99
Step by Step Solution
- Step 1: Write the proportion equation
191,310.92 : 264,007.80 = 105,275.14 : x - Step 2: Convert to fraction form
191,310.92/264,007.80 = 105,275.14/x - Step 3: Cross multiply
191,310.92x = 264,007.80 × 105,275.14 - Step 4: Simplify right side
191,310.92x = 27,793,458,106.09 - Step 5: Solve for x
x = 27,793,458,106.09/191,310.92 - Step 6: Final answer
x = 145,278.99
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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.