Finding the Fourth Proportional to 296,047.75, 408,555.62 and 161,911.75
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Solution
The fourth proportional to 296,047.75, 408,555.62 and 161,911.75 is: 223,443.53
Step by Step Solution
- Step 1: Write the proportion equation
296,047.75 : 408,555.62 = 161,911.75 : x - Step 2: Convert to fraction form
296,047.75/408,555.62 = 161,911.75/x - Step 3: Cross multiply
296,047.75x = 408,555.62 × 161,911.75 - Step 4: Simplify right side
296,047.75x = 66,149,955,406.54 - Step 5: Solve for x
x = 66,149,955,406.54/296,047.75 - Step 6: Final answer
x = 223,443.53
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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.