Finding the Fourth Proportional to 204,670.80, 306,984.84 and 54,927.12
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Solution
The fourth proportional to 204,670.80, 306,984.84 and 54,927.12 is: 82,384.95
Step by Step Solution
- Step 1: Write the proportion equation
204,670.80 : 306,984.84 = 54,927.12 : x - Step 2: Convert to fraction form
204,670.80/306,984.84 = 54,927.12/x - Step 3: Cross multiply
204,670.80x = 306,984.84 × 54,927.12 - Step 4: Simplify right side
204,670.80x = 16,861,793,144.86 - Step 5: Solve for x
x = 16,861,793,144.86/204,670.80 - Step 6: Final answer
x = 82,384.95
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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.