Finding the Fourth Proportional to 217,230.26, 325,839.11 and 146,617.29
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Solution
The fourth proportional to 217,230.26, 325,839.11 and 146,617.29 is: 219,921.70
Step by Step Solution
- Step 1: Write the proportion equation
217,230.26 : 325,839.11 = 146,617.29 : x - Step 2: Convert to fraction form
217,230.26/325,839.11 = 146,617.29/x - Step 3: Cross multiply
217,230.26x = 325,839.11 × 146,617.29 - Step 4: Simplify right side
217,230.26x = 47,773,646,551.13 - Step 5: Solve for x
x = 47,773,646,551.13/217,230.26 - Step 6: Final answer
x = 219,921.70
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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.