Finding the Fourth Proportional to 183,982.70, 253,917.16 and 102,319.09
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Solution
The fourth proportional to 183,982.70, 253,917.16 and 102,319.09 is: 141,212.04
Step by Step Solution
- Step 1: Write the proportion equation
183,982.70 : 253,917.16 = 102,319.09 : x - Step 2: Convert to fraction form
183,982.70/253,917.16 = 102,319.09/x - Step 3: Cross multiply
183,982.70x = 253,917.16 × 102,319.09 - Step 4: Simplify right side
183,982.70x = 25,980,571,855.99 - Step 5: Solve for x
x = 25,980,571,855.99/183,982.70 - Step 6: Final answer
x = 141,212.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.