Finding the Fourth Proportional to 192,578.40, 265,750.20 and 112,006.08
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Solution
The fourth proportional to 192,578.40, 265,750.20 and 112,006.08 is: 154,563.74
Step by Step Solution
- Step 1: Write the proportion equation
192,578.40 : 265,750.20 = 112,006.08 : x - Step 2: Convert to fraction form
192,578.40/265,750.20 = 112,006.08/x - Step 3: Cross multiply
192,578.40x = 265,750.20 × 112,006.08 - Step 4: Simplify right side
192,578.40x = 29,765,638,161.22 - Step 5: Solve for x
x = 29,765,638,161.22/192,578.40 - Step 6: Final answer
x = 154,563.74
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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.