Finding the Fourth Proportional to 383,473.26, 529,194.87 and 222,423.66
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Solution
The fourth proportional to 383,473.26, 529,194.87 and 222,423.66 is: 306,945.68
Step by Step Solution
- Step 1: Write the proportion equation
383,473.26 : 529,194.87 = 222,423.66 : x - Step 2: Convert to fraction form
383,473.26/529,194.87 = 222,423.66/x - Step 3: Cross multiply
383,473.26x = 529,194.87 × 222,423.66 - Step 4: Simplify right side
383,473.26x = 117,705,459,838.62 - Step 5: Solve for x
x = 117,705,459,838.62/383,473.26 - Step 6: Final answer
x = 306,945.68
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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.