Finding the Fourth Proportional to 223,912.06, 309,392.09 and 178,960.99
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Solution
The fourth proportional to 223,912.06, 309,392.09 and 178,960.99 is: 247,280.63
Step by Step Solution
- Step 1: Write the proportion equation
223,912.06 : 309,392.09 = 178,960.99 : x - Step 2: Convert to fraction form
223,912.06/309,392.09 = 178,960.99/x - Step 3: Cross multiply
223,912.06x = 309,392.09 × 178,960.99 - Step 4: Simplify right side
223,912.06x = 55,369,114,724.57 - Step 5: Solve for x
x = 55,369,114,724.57/223,912.06 - Step 6: Final answer
x = 247,280.63
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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.