Finding the Fourth Proportional to 677,135.19, 1,016,035.26 and 272,311.05
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Solution
The fourth proportional to 677,135.19, 1,016,035.26 and 272,311.05 is: 408,600.28
Step by Step Solution
- Step 1: Write the proportion equation
677,135.19 : 1,016,035.26 = 272,311.05 : x - Step 2: Convert to fraction form
677,135.19/1,016,035.26 = 272,311.05/x - Step 3: Cross multiply
677,135.19x = 1,016,035.26 × 272,311.05 - Step 4: Simplify right side
677,135.19x = 276,677,628,487.62 - Step 5: Solve for x
x = 276,677,628,487.62/677,135.19 - Step 6: Final answer
x = 408,600.28
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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.