Finding the Fourth Proportional to 235,403.82, 324,863.64 and 127,981.08
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Solution
The fourth proportional to 235,403.82, 324,863.64 and 127,981.08 is: 176,617.35
Step by Step Solution
- Step 1: Write the proportion equation
235,403.82 : 324,863.64 = 127,981.08 : x - Step 2: Convert to fraction form
235,403.82/324,863.64 = 127,981.08/x - Step 3: Cross multiply
235,403.82x = 324,863.64 × 127,981.08 - Step 4: Simplify right side
235,403.82x = 41,576,399,499.93 - Step 5: Solve for x
x = 41,576,399,499.93/235,403.82 - Step 6: Final answer
x = 176,617.35
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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.