Finding the Fourth Proportional to 183,818.10, 275,435.55 and 121,415.70
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Solution
The fourth proportional to 183,818.10, 275,435.55 and 121,415.70 is: 181,930.94
Step by Step Solution
- Step 1: Write the proportion equation
183,818.10 : 275,435.55 = 121,415.70 : x - Step 2: Convert to fraction form
183,818.10/275,435.55 = 121,415.70/x - Step 3: Cross multiply
183,818.10x = 275,435.55 × 121,415.70 - Step 4: Simplify right side
183,818.10x = 33,442,200,108.14 - Step 5: Solve for x
x = 33,442,200,108.14/183,818.10 - Step 6: Final answer
x = 181,930.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.