Finding the Fourth Proportional to 173,236.48, 239,295.84 and 139,372.54
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Solution
The fourth proportional to 173,236.48, 239,295.84 and 139,372.54 is: 192,518.74
Step by Step Solution
- Step 1: Write the proportion equation
173,236.48 : 239,295.84 = 139,372.54 : x - Step 2: Convert to fraction form
173,236.48/239,295.84 = 139,372.54/x - Step 3: Cross multiply
173,236.48x = 239,295.84 × 139,372.54 - Step 4: Simplify right side
173,236.48x = 33,351,269,032.23 - Step 5: Solve for x
x = 33,351,269,032.23/173,236.48 - Step 6: Final answer
x = 192,518.74
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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.