Finding the Fourth Proportional to 205,953.20, 284,239.36 and 125,427.92
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Solution
The fourth proportional to 205,953.20, 284,239.36 and 125,427.92 is: 173,105.11
Step by Step Solution
- Step 1: Write the proportion equation
205,953.20 : 284,239.36 = 125,427.92 : x - Step 2: Convert to fraction form
205,953.20/284,239.36 = 125,427.92/x - Step 3: Cross multiply
205,953.20x = 284,239.36 × 125,427.92 - Step 4: Simplify right side
205,953.20x = 35,651,551,706.93 - Step 5: Solve for x
x = 35,651,551,706.93/205,953.20 - Step 6: Final answer
x = 173,105.11
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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.