Finding the Fourth Proportional to 325,603.20, 489,153.60 and 229,761.12
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Solution
The fourth proportional to 325,603.20, 489,153.60 and 229,761.12 is: 345,170.07
Step by Step Solution
- Step 1: Write the proportion equation
325,603.20 : 489,153.60 = 229,761.12 : x - Step 2: Convert to fraction form
325,603.20/489,153.60 = 229,761.12/x - Step 3: Cross multiply
325,603.20x = 489,153.60 × 229,761.12 - Step 4: Simplify right side
325,603.20x = 112,388,478,988.03 - Step 5: Solve for x
x = 112,388,478,988.03/325,603.20 - Step 6: Final answer
x = 345,170.07
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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.