Finding the Fourth Proportional to 146,784.75, 202,563.09 and 79,716.75
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Solution
The fourth proportional to 146,784.75, 202,563.09 and 79,716.75 is: 110,009.19
Step by Step Solution
- Step 1: Write the proportion equation
146,784.75 : 202,563.09 = 79,716.75 : x - Step 2: Convert to fraction form
146,784.75/202,563.09 = 79,716.75/x - Step 3: Cross multiply
146,784.75x = 202,563.09 × 79,716.75 - Step 4: Simplify right side
146,784.75x = 16,147,671,204.76 - Step 5: Solve for x
x = 16,147,671,204.76/146,784.75 - Step 6: Final answer
x = 110,009.19
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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.