Finding the Fourth Proportional to 129,766.28, 179,324.99 and 93,586.46
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Solution
The fourth proportional to 129,766.28, 179,324.99 and 93,586.46 is: 129,327.82
Step by Step Solution
- Step 1: Write the proportion equation
129,766.28 : 179,324.99 = 93,586.46 : x - Step 2: Convert to fraction form
129,766.28/179,324.99 = 93,586.46/x - Step 3: Cross multiply
129,766.28x = 179,324.99 × 93,586.46 - Step 4: Simplify right side
129,766.28x = 16,782,389,639.08 - Step 5: Solve for x
x = 16,782,389,639.08/129,766.28 - Step 6: Final answer
x = 129,327.82
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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.