Finding the Fourth Proportional to 196,042.88, 270,497.43 and 115,440.99
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Solution
The fourth proportional to 196,042.88, 270,497.43 and 115,440.99 is: 159,283.99
Step by Step Solution
- Step 1: Write the proportion equation
196,042.88 : 270,497.43 = 115,440.99 : x - Step 2: Convert to fraction form
196,042.88/270,497.43 = 115,440.99/x - Step 3: Cross multiply
196,042.88x = 270,497.43 × 115,440.99 - Step 4: Simplify right side
196,042.88x = 31,226,491,111.66 - Step 5: Solve for x
x = 31,226,491,111.66/196,042.88 - Step 6: Final answer
x = 159,283.99
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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.