Finding the Fourth Proportional to 146,018.97, 201,505.19 and 78,950.97
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Solution
The fourth proportional to 146,018.97, 201,505.19 and 78,950.97 is: 108,951.80
Step by Step Solution
- Step 1: Write the proportion equation
146,018.97 : 201,505.19 = 78,950.97 : x - Step 2: Convert to fraction form
146,018.97/201,505.19 = 78,950.97/x - Step 3: Cross multiply
146,018.97x = 201,505.19 × 78,950.97 - Step 4: Simplify right side
146,018.97x = 15,909,029,815.78 - Step 5: Solve for x
x = 15,909,029,815.78/146,018.97 - Step 6: Final answer
x = 108,951.80
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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.