Finding the Fourth Proportional to 202,309.80, 303,464.70 and 108,997.80
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Solution
The fourth proportional to 202,309.80, 303,464.70 and 108,997.80 is: 163,496.70
Step by Step Solution
- Step 1: Write the proportion equation
202,309.80 : 303,464.70 = 108,997.80 : x - Step 2: Convert to fraction form
202,309.80/303,464.70 = 108,997.80/x - Step 3: Cross multiply
202,309.80x = 303,464.70 × 108,997.80 - Step 4: Simplify right side
202,309.80x = 33,076,984,677.66 - Step 5: Solve for x
x = 33,076,984,677.66/202,309.80 - Step 6: Final answer
x = 163,496.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.