Finding the Fourth Proportional to 203,413.62, 280,725.58 and 122,860.74
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Solution
The fourth proportional to 203,413.62, 280,725.58 and 122,860.74 is: 169,556.75
Step by Step Solution
- Step 1: Write the proportion equation
203,413.62 : 280,725.58 = 122,860.74 : x - Step 2: Convert to fraction form
203,413.62/280,725.58 = 122,860.74/x - Step 3: Cross multiply
203,413.62x = 280,725.58 × 122,860.74 - Step 4: Simplify right side
203,413.62x = 34,490,152,495.73 - Step 5: Solve for x
x = 34,490,152,495.73/203,413.62 - Step 6: Final answer
x = 169,556.75
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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.