Finding the Fourth Proportional to 343,716.80, 515,137.80 and 165,840.80
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Solution
The fourth proportional to 343,716.80, 515,137.80 and 165,840.80 is: 248,550.16
Step by Step Solution
- Step 1: Write the proportion equation
343,716.80 : 515,137.80 = 165,840.80 : x - Step 2: Convert to fraction form
343,716.80/515,137.80 = 165,840.80/x - Step 3: Cross multiply
343,716.80x = 515,137.80 × 165,840.80 - Step 4: Simplify right side
343,716.80x = 85,430,864,862.24 - Step 5: Solve for x
x = 85,430,864,862.24/343,716.80 - Step 6: Final answer
x = 248,550.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.