Finding the Fourth Proportional to 168,371.20, 232,350.72 and 92,920.96
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Solution
The fourth proportional to 168,371.20, 232,350.72 and 92,920.96 is: 128,230.08
Step by Step Solution
- Step 1: Write the proportion equation
168,371.20 : 232,350.72 = 92,920.96 : x - Step 2: Convert to fraction form
168,371.20/232,350.72 = 92,920.96/x - Step 3: Cross multiply
168,371.20x = 232,350.72 × 92,920.96 - Step 4: Simplify right side
168,371.20x = 21,590,251,959.09 - Step 5: Solve for x
x = 21,590,251,959.09/168,371.20 - Step 6: Final answer
x = 128,230.08
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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.