Finding the Fourth Proportional to 277,099.99, 382,397.36 and 156,240.57
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Solution
The fourth proportional to 277,099.99, 382,397.36 and 156,240.57 is: 215,611.63
Step by Step Solution
- Step 1: Write the proportion equation
277,099.99 : 382,397.36 = 156,240.57 : x - Step 2: Convert to fraction form
277,099.99/382,397.36 = 156,240.57/x - Step 3: Cross multiply
277,099.99x = 382,397.36 × 156,240.57 - Step 4: Simplify right side
277,099.99x = 59,745,981,070.19 - Step 5: Solve for x
x = 59,745,981,070.19/277,099.99 - Step 6: Final answer
x = 215,611.63
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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.