Finding the Fourth Proportional to 146,673.75, 202,409.78 and 79,605.75
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Solution
The fourth proportional to 146,673.75, 202,409.78 and 79,605.75 is: 109,855.94
Step by Step Solution
- Step 1: Write the proportion equation
146,673.75 : 202,409.78 = 79,605.75 : x - Step 2: Convert to fraction form
146,673.75/202,409.78 = 79,605.75/x - Step 3: Cross multiply
146,673.75x = 202,409.78 × 79,605.75 - Step 4: Simplify right side
146,673.75x = 16,112,982,344.24 - Step 5: Solve for x
x = 16,112,982,344.24/146,673.75 - Step 6: Final answer
x = 109,855.94
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1.5x scale
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.