Finding the Fourth Proportional to 235,481.06, 353,233.80 and 77,721.81
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Solution
The fourth proportional to 235,481.06, 353,233.80 and 77,721.81 is: 116,586.75
Step by Step Solution
- Step 1: Write the proportion equation
235,481.06 : 353,233.80 = 77,721.81 : x - Step 2: Convert to fraction form
235,481.06/353,233.80 = 77,721.81/x - Step 3: Cross multiply
235,481.06x = 353,233.80 × 77,721.81 - Step 4: Simplify right side
235,481.06x = 27,453,970,289.18 - Step 5: Solve for x
x = 27,453,970,289.18/235,481.06 - Step 6: Final answer
x = 116,586.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.