Finding the Fourth Proportional to 235,249.44, 324,607.68 and 139,753.68
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Solution
The fourth proportional to 235,249.44, 324,607.68 and 139,753.68 is: 192,838.37
Step by Step Solution
- Step 1: Write the proportion equation
235,249.44 : 324,607.68 = 139,753.68 : x - Step 2: Convert to fraction form
235,249.44/324,607.68 = 139,753.68/x - Step 3: Cross multiply
235,249.44x = 324,607.68 × 139,753.68 - Step 4: Simplify right side
235,249.44x = 45,365,117,836.26 - Step 5: Solve for x
x = 45,365,117,836.26/235,249.44 - Step 6: Final answer
x = 192,838.37
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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.