Finding the Fourth Proportional to 183,723.10, 275,293.05 and 121,320.70
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Solution
The fourth proportional to 183,723.10, 275,293.05 and 121,320.70 is: 181,788.49
Step by Step Solution
- Step 1: Write the proportion equation
183,723.10 : 275,293.05 = 121,320.70 : x - Step 2: Convert to fraction form
183,723.10/275,293.05 = 121,320.70/x - Step 3: Cross multiply
183,723.10x = 275,293.05 × 121,320.70 - Step 4: Simplify right side
183,723.10x = 33,398,745,531.14 - Step 5: Solve for x
x = 33,398,745,531.14/183,723.10 - Step 6: Final answer
x = 181,788.49
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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.