Finding the Fourth Proportional to 277,021.76, 382,293.42 and 156,163.10
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Solution
The fourth proportional to 277,021.76, 382,293.42 and 156,163.10 is: 215,506.99
Step by Step Solution
- Step 1: Write the proportion equation
277,021.76 : 382,293.42 = 156,163.10 : x - Step 2: Convert to fraction form
277,021.76/382,293.42 = 156,163.10/x - Step 3: Cross multiply
277,021.76x = 382,293.42 × 156,163.10 - Step 4: Simplify right side
277,021.76x = 59,700,125,576.80 - Step 5: Solve for x
x = 59,700,125,576.80/277,021.76 - Step 6: Final answer
x = 215,506.99
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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.