Finding the Fourth Proportional to 306,515.26, 459,543.82 and 211,474.24
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Solution
The fourth proportional to 306,515.26, 459,543.82 and 211,474.24 is: 317,053.32
Step by Step Solution
- Step 1: Write the proportion equation
306,515.26 : 459,543.82 = 211,474.24 : x - Step 2: Convert to fraction form
306,515.26/459,543.82 = 211,474.24/x - Step 3: Cross multiply
306,515.26x = 459,543.82 × 211,474.24 - Step 4: Simplify right side
306,515.26x = 97,181,680,081.20 - Step 5: Solve for x
x = 97,181,680,081.20/306,515.26 - Step 6: Final answer
x = 317,053.32
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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.