Finding the Fourth Proportional to 560,480.19, 840,861.09 and 161,121.69
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Solution
The fourth proportional to 560,480.19, 840,861.09 and 161,121.69 is: 241,723.01
Step by Step Solution
- Step 1: Write the proportion equation
560,480.19 : 840,861.09 = 161,121.69 : x - Step 2: Convert to fraction form
560,480.19/840,861.09 = 161,121.69/x - Step 3: Cross multiply
560,480.19x = 840,861.09 × 161,121.69 - Step 4: Simplify right side
560,480.19x = 135,480,959,876.04 - Step 5: Solve for x
x = 135,480,959,876.04/560,480.19 - Step 6: Final answer
x = 241,723.01
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1.5x scale
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.