Finding the Fourth Proportional to 146,378.77, 219,398.73 and 67,327.09
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Solution
The fourth proportional to 146,378.77, 219,398.73 and 67,327.09 is: 100,912.70
Step by Step Solution
- Step 1: Write the proportion equation
146,378.77 : 219,398.73 = 67,327.09 : x - Step 2: Convert to fraction form
146,378.77/219,398.73 = 67,327.09/x - Step 3: Cross multiply
146,378.77x = 219,398.73 × 67,327.09 - Step 4: Simplify right side
146,378.77x = 14,771,477,239.62 - Step 5: Solve for x
x = 14,771,477,239.62/146,378.77 - Step 6: Final answer
x = 100,912.70
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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.