Finding the Fourth Proportional to 235,307.76, 324,727.79 and 127,879.49
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Solution
The fourth proportional to 235,307.76, 324,727.79 and 127,879.49 is: 176,475.36
Step by Step Solution
- Step 1: Write the proportion equation
235,307.76 : 324,727.79 = 127,879.49 : x - Step 2: Convert to fraction form
235,307.76/324,727.79 = 127,879.49/x - Step 3: Cross multiply
235,307.76x = 324,727.79 × 127,879.49 - Step 4: Simplify right side
235,307.76x = 41,526,021,910.99 - Step 5: Solve for x
x = 41,526,021,910.99/235,307.76 - Step 6: Final answer
x = 176,475.36
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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.