Finding the Fourth Proportional to 386,821.23, 580,350.62 and 184,675.26
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Solution
The fourth proportional to 386,821.23, 580,350.62 and 184,675.26 is: 277,069.59
Step by Step Solution
- Step 1: Write the proportion equation
386,821.23 : 580,350.62 = 184,675.26 : x - Step 2: Convert to fraction form
386,821.23/580,350.62 = 184,675.26/x - Step 3: Cross multiply
386,821.23x = 580,350.62 × 184,675.26 - Step 4: Simplify right side
386,821.23x = 107,176,400,716.29 - Step 5: Solve for x
x = 107,176,400,716.29/386,821.23 - Step 6: Final answer
x = 277,069.59
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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.