Finding the Fourth Proportional to 198,842.14, 274,037.07 and 186,215.86
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Solution
The fourth proportional to 198,842.14, 274,037.07 and 186,215.86 is: 256,635.99
Step by Step Solution
- Step 1: Write the proportion equation
198,842.14 : 274,037.07 = 186,215.86 : x - Step 2: Convert to fraction form
198,842.14/274,037.07 = 186,215.86/x - Step 3: Cross multiply
198,842.14x = 274,037.07 × 186,215.86 - Step 4: Simplify right side
198,842.14x = 51,030,048,661.93 - Step 5: Solve for x
x = 51,030,048,661.93/198,842.14 - Step 6: Final answer
x = 256,635.99
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1.5x scale
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.