Finding the Fourth Proportional to 235,950.49, 325,616.66 and 128,520.26
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Solution
The fourth proportional to 235,950.49, 325,616.66 and 128,520.26 is: 177,360.67
Step by Step Solution
- Step 1: Write the proportion equation
235,950.49 : 325,616.66 = 128,520.26 : x - Step 2: Convert to fraction form
235,950.49/325,616.66 = 128,520.26/x - Step 3: Cross multiply
235,950.49x = 325,616.66 × 128,520.26 - Step 4: Simplify right side
235,950.49x = 41,848,337,803.53 - Step 5: Solve for x
x = 41,848,337,803.53/235,950.49 - Step 6: Final answer
x = 177,360.67
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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.