Finding the Fourth Proportional to 319,275.99, 440,619.48 and 183,310.20
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Solution
The fourth proportional to 319,275.99, 440,619.48 and 183,310.20 is: 252,978.76
Step by Step Solution
- Step 1: Write the proportion equation
319,275.99 : 440,619.48 = 183,310.20 : x - Step 2: Convert to fraction form
319,275.99/440,619.48 = 183,310.20/x - Step 3: Cross multiply
319,275.99x = 440,619.48 × 183,310.20 - Step 4: Simplify right side
319,275.99x = 80,770,045,002.70 - Step 5: Solve for x
x = 80,770,045,002.70/319,275.99 - Step 6: Final answer
x = 252,978.76
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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.