Finding the Fourth Proportional to 183,939.53, 253,828.37 and 107,465.70
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Solution
The fourth proportional to 183,939.53, 253,828.37 and 107,465.70 is: 148,297.89
Step by Step Solution
- Step 1: Write the proportion equation
183,939.53 : 253,828.37 = 107,465.70 : x - Step 2: Convert to fraction form
183,939.53/253,828.37 = 107,465.70/x - Step 3: Cross multiply
183,939.53x = 253,828.37 × 107,465.70 - Step 4: Simplify right side
183,939.53x = 27,277,843,730.57 - Step 5: Solve for x
x = 27,277,843,730.57/183,939.53 - Step 6: Final answer
x = 148,297.89
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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.