Finding the Fourth Proportional to 319,276.99, 440,620.86 and 183,311.20
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Solution
The fourth proportional to 319,276.99, 440,620.86 and 183,311.20 is: 252,980.14
Step by Step Solution
- Step 1: Write the proportion equation
319,276.99 : 440,620.86 = 183,311.20 : x - Step 2: Convert to fraction form
319,276.99/440,620.86 = 183,311.20/x - Step 3: Cross multiply
319,276.99x = 440,620.86 × 183,311.20 - Step 4: Simplify right side
319,276.99x = 80,770,738,591.63 - Step 5: Solve for x
x = 80,770,738,591.63/319,276.99 - Step 6: Final answer
x = 252,980.14
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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.