Finding the Fourth Proportional to 319,225.44, 440,531.12 and 183,268.20
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Solution
The fourth proportional to 319,225.44, 440,531.12 and 183,268.20 is: 252,910.12
Step by Step Solution
- Step 1: Write the proportion equation
319,225.44 : 440,531.12 = 183,268.20 : x - Step 2: Convert to fraction form
319,225.44/440,531.12 = 183,268.20/x - Step 3: Cross multiply
319,225.44x = 440,531.12 × 183,268.20 - Step 4: Simplify right side
319,225.44x = 80,735,345,406.38 - Step 5: Solve for x
x = 80,735,345,406.38/319,225.44 - Step 6: Final answer
x = 252,910.12
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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.