Finding the Fourth Proportional to 394,503.59, 544,413.67 and 213,214.96
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Solution
The fourth proportional to 394,503.59, 544,413.67 and 213,214.96 is: 294,235.95
Step by Step Solution
- Step 1: Write the proportion equation
394,503.59 : 544,413.67 = 213,214.96 : x - Step 2: Convert to fraction form
394,503.59/544,413.67 = 213,214.96/x - Step 3: Cross multiply
394,503.59x = 544,413.67 × 213,214.96 - Step 4: Simplify right side
394,503.59x = 116,077,137,788.66 - Step 5: Solve for x
x = 116,077,137,788.66/394,503.59 - Step 6: Final answer
x = 294,235.95
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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.