Finding the Fourth Proportional to 438,837.75, 605,596.10 and 237,633.75
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Solution
The fourth proportional to 438,837.75, 605,596.10 and 237,633.75 is: 327,934.58
Step by Step Solution
- Step 1: Write the proportion equation
438,837.75 : 605,596.10 = 237,633.75 : x - Step 2: Convert to fraction form
438,837.75/605,596.10 = 237,633.75/x - Step 3: Cross multiply
438,837.75x = 605,596.10 × 237,633.75 - Step 4: Simplify right side
438,837.75x = 143,910,071,040.21 - Step 5: Solve for x
x = 143,910,071,040.21/438,837.75 - Step 6: Final answer
x = 327,934.58
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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.