Finding the Fourth Proportional to 438,324.75, 604,888.16 and 237,120.75
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Solution
The fourth proportional to 438,324.75, 604,888.16 and 237,120.75 is: 327,226.64
Step by Step Solution
- Step 1: Write the proportion equation
438,324.75 : 604,888.16 = 237,120.75 : x - Step 2: Convert to fraction form
438,324.75/604,888.16 = 237,120.75/x - Step 3: Cross multiply
438,324.75x = 604,888.16 × 237,120.75 - Step 4: Simplify right side
438,324.75x = 143,431,532,979.72 - Step 5: Solve for x
x = 143,431,532,979.72/438,324.75 - Step 6: Final answer
x = 327,226.64
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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.