Finding the Fourth Proportional to 164,081.70, 246,122.55 and 122,609.70
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Solution
The fourth proportional to 164,081.70, 246,122.55 and 122,609.70 is: 183,914.55
Step by Step Solution
- Step 1: Write the proportion equation
164,081.70 : 246,122.55 = 122,609.70 : x - Step 2: Convert to fraction form
164,081.70/246,122.55 = 122,609.70/x - Step 3: Cross multiply
164,081.70x = 246,122.55 × 122,609.70 - Step 4: Simplify right side
164,081.70x = 30,177,012,018.74 - Step 5: Solve for x
x = 30,177,012,018.74/164,081.70 - Step 6: Final answer
x = 183,914.55
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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.