Finding the Fourth Proportional to 270,089.83, 372,745.79 and 149,241.70
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Solution
The fourth proportional to 270,089.83, 372,745.79 and 149,241.70 is: 205,965.61
Step by Step Solution
- Step 1: Write the proportion equation
270,089.83 : 372,745.79 = 149,241.70 : x - Step 2: Convert to fraction form
270,089.83/372,745.79 = 149,241.70/x - Step 3: Cross multiply
270,089.83x = 372,745.79 × 149,241.70 - Step 4: Simplify right side
270,089.83x = 55,629,215,367.44 - Step 5: Solve for x
x = 55,629,215,367.44/270,089.83 - Step 6: Final answer
x = 205,965.61
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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.