Finding the Fourth Proportional to 146,193.21, 219,220.70 and 67,284.09
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Solution
The fourth proportional to 146,193.21, 219,220.70 and 67,284.09 is: 100,894.32
Step by Step Solution
- Step 1: Write the proportion equation
146,193.21 : 219,220.70 = 67,284.09 : x - Step 2: Convert to fraction form
146,193.21/219,220.70 = 67,284.09/x - Step 3: Cross multiply
146,193.21x = 219,220.70 × 67,284.09 - Step 4: Simplify right side
146,193.21x = 14,750,064,972.24 - Step 5: Solve for x
x = 14,750,064,972.24/146,193.21 - Step 6: Final answer
x = 100,894.32
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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.