Finding the Fourth Proportional to 146,828.88, 220,257.84 and 46,963.98
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Solution
The fourth proportional to 146,828.88, 220,257.84 and 46,963.98 is: 70,450.61
Step by Step Solution
- Step 1: Write the proportion equation
146,828.88 : 220,257.84 = 46,963.98 : x - Step 2: Convert to fraction form
146,828.88/220,257.84 = 46,963.98/x - Step 3: Cross multiply
146,828.88x = 220,257.84 × 46,963.98 - Step 4: Simplify right side
146,828.88x = 10,344,184,792.60 - Step 5: Solve for x
x = 10,344,184,792.60/146,828.88 - Step 6: Final answer
x = 70,450.61
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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.