Finding the Fourth Proportional to 197,986.29, 296,979.57 and 48,225.75
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Solution
The fourth proportional to 197,986.29, 296,979.57 and 48,225.75 is: 72,338.66
Step by Step Solution
- Step 1: Write the proportion equation
197,986.29 : 296,979.57 = 48,225.75 : x - Step 2: Convert to fraction form
197,986.29/296,979.57 = 48,225.75/x - Step 3: Cross multiply
197,986.29x = 296,979.57 × 48,225.75 - Step 4: Simplify right side
197,986.29x = 14,322,062,497.93 - Step 5: Solve for x
x = 14,322,062,497.93/197,986.29 - Step 6: Final answer
x = 72,338.66
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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.