Finding the Fourth Proportional to 159,722.10, 239,583.15 and 146,819.70
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Solution
The fourth proportional to 159,722.10, 239,583.15 and 146,819.70 is: 220,229.55
Step by Step Solution
- Step 1: Write the proportion equation
159,722.10 : 239,583.15 = 146,819.70 : x - Step 2: Convert to fraction form
159,722.10/239,583.15 = 146,819.70/x - Step 3: Cross multiply
159,722.10x = 239,583.15 × 146,819.70 - Step 4: Simplify right side
159,722.10x = 35,175,526,208.06 - Step 5: Solve for x
x = 35,175,526,208.06/159,722.10 - Step 6: Final answer
x = 220,229.55
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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.