Finding the Fourth Proportional to 235,950.99, 325,617.35 and 128,520.77
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Solution
The fourth proportional to 235,950.99, 325,617.35 and 128,520.77 is: 177,361.37
Step by Step Solution
- Step 1: Write the proportion equation
235,950.99 : 325,617.35 = 128,520.77 : x - Step 2: Convert to fraction form
235,950.99/325,617.35 = 128,520.77/x - Step 3: Cross multiply
235,950.99x = 325,617.35 × 128,520.77 - Step 4: Simplify right side
235,950.99x = 41,848,590,276.67 - Step 5: Solve for x
x = 41,848,590,276.67/235,950.99 - Step 6: Final answer
x = 177,361.37
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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.