Finding the Fourth Proportional to 384,144.08, 530,168.99 and 214,413.44
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Solution
The fourth proportional to 384,144.08, 530,168.99 and 214,413.44 is: 295,918.54
Step by Step Solution
- Step 1: Write the proportion equation
384,144.08 : 530,168.99 = 214,413.44 : x - Step 2: Convert to fraction form
384,144.08/530,168.99 = 214,413.44/x - Step 3: Cross multiply
384,144.08x = 530,168.99 × 214,413.44 - Step 4: Simplify right side
384,144.08x = 113,675,356,927.23 - Step 5: Solve for x
x = 113,675,356,927.23/384,144.08 - Step 6: Final answer
x = 295,918.54
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1.5x scale
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.