Finding the Fourth Proportional to 328,738.25, 493,129.24 and 115,480.23
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Solution
The fourth proportional to 328,738.25, 493,129.24 and 115,480.23 is: 173,228.03
Step by Step Solution
- Step 1: Write the proportion equation
328,738.25 : 493,129.24 = 115,480.23 : x - Step 2: Convert to fraction form
328,738.25/493,129.24 = 115,480.23/x - Step 3: Cross multiply
328,738.25x = 493,129.24 × 115,480.23 - Step 4: Simplify right side
328,738.25x = 56,946,677,766.22 - Step 5: Solve for x
x = 56,946,677,766.22/328,738.25 - Step 6: Final answer
x = 173,228.03
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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.