Finding the Fourth Proportional to 401,074.99, 553,413.21 and 228,914.35
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Solution
The fourth proportional to 401,074.99, 553,413.21 and 228,914.35 is: 315,861.70
Step by Step Solution
- Step 1: Write the proportion equation
401,074.99 : 553,413.21 = 228,914.35 : x - Step 2: Convert to fraction form
401,074.99/553,413.21 = 228,914.35/x - Step 3: Cross multiply
401,074.99x = 553,413.21 × 228,914.35 - Step 4: Simplify right side
401,074.99x = 126,684,227,407.19 - Step 5: Solve for x
x = 126,684,227,407.19/401,074.99 - Step 6: Final answer
x = 315,861.70
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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.