Finding the Fourth Proportional to 383,475.26, 529,197.63 and 222,425.66
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Solution
The fourth proportional to 383,475.26, 529,197.63 and 222,425.66 is: 306,948.44
Step by Step Solution
- Step 1: Write the proportion equation
383,475.26 : 529,197.63 = 222,425.66 : x - Step 2: Convert to fraction form
383,475.26/529,197.63 = 222,425.66/x - Step 3: Cross multiply
383,475.26x = 529,197.63 × 222,425.66 - Step 4: Simplify right side
383,475.26x = 117,707,132,123.19 - Step 5: Solve for x
x = 117,707,132,123.19/383,475.26 - Step 6: Final answer
x = 306,948.44
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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.