Finding the Fourth Proportional to 146,451.62, 202,101.80 and 79,383.62
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Solution
The fourth proportional to 146,451.62, 202,101.80 and 79,383.62 is: 109,548.62
Step by Step Solution
- Step 1: Write the proportion equation
146,451.62 : 202,101.80 = 79,383.62 : x - Step 2: Convert to fraction form
146,451.62/202,101.80 = 79,383.62/x - Step 3: Cross multiply
146,451.62x = 202,101.80 × 79,383.62 - Step 4: Simplify right side
146,451.62x = 16,043,572,492.52 - Step 5: Solve for x
x = 16,043,572,492.52/146,451.62 - Step 6: Final answer
x = 109,548.62
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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.