Finding the Fourth Proportional to 197,735.71, 296,472.35 and 138,642.97
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Solution
The fourth proportional to 197,735.71, 296,472.35 and 138,642.97 is: 207,872.45
Step by Step Solution
- Step 1: Write the proportion equation
197,735.71 : 296,472.35 = 138,642.97 : x - Step 2: Convert to fraction form
197,735.71/296,472.35 = 138,642.97/x - Step 3: Cross multiply
197,735.71x = 296,472.35 × 138,642.97 - Step 4: Simplify right side
197,735.71x = 41,103,806,433.66 - Step 5: Solve for x
x = 41,103,806,433.66/197,735.71 - Step 6: Final answer
x = 207,872.45
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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.