Finding the Fourth Proportional to 428,077.26, 590,745.29 and 246,788.28
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Solution
The fourth proportional to 428,077.26, 590,745.29 and 246,788.28 is: 340,567.06
Step by Step Solution
- Step 1: Write the proportion equation
428,077.26 : 590,745.29 = 246,788.28 : x - Step 2: Convert to fraction form
428,077.26/590,745.29 = 246,788.28/x - Step 3: Cross multiply
428,077.26x = 590,745.29 × 246,788.28 - Step 4: Simplify right side
428,077.26x = 145,789,012,803.26 - Step 5: Solve for x
x = 145,789,012,803.26/428,077.26 - Step 6: Final answer
x = 340,567.06
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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.