Finding the Fourth Proportional to 115,393.40, 173,138.70 and 62,840.60
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Solution
The fourth proportional to 115,393.40, 173,138.70 and 62,840.60 is: 94,287.37
Step by Step Solution
- Step 1: Write the proportion equation
115,393.40 : 173,138.70 = 62,840.60 : x - Step 2: Convert to fraction form
115,393.40/173,138.70 = 62,840.60/x - Step 3: Cross multiply
115,393.40x = 173,138.70 × 62,840.60 - Step 4: Simplify right side
115,393.40x = 10,880,139,791.22 - Step 5: Solve for x
x = 10,880,139,791.22/115,393.40 - Step 6: Final answer
x = 94,287.37
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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.