Finding the Fourth Proportional to 416,374.97, 624,291.80 and 163,680.18
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Solution
The fourth proportional to 416,374.97, 624,291.80 and 163,680.18 is: 245,413.87
Step by Step Solution
- Step 1: Write the proportion equation
416,374.97 : 624,291.80 = 163,680.18 : x - Step 2: Convert to fraction form
416,374.97/624,291.80 = 163,680.18/x - Step 3: Cross multiply
416,374.97x = 624,291.80 × 163,680.18 - Step 4: Simplify right side
416,374.97x = 102,184,193,378.12 - Step 5: Solve for x
x = 102,184,193,378.12/416,374.97 - Step 6: Final answer
x = 245,413.87
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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.