Finding the Fourth Proportional to 290,085.08, 400,324.30 and 162,770.09
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Solution
The fourth proportional to 290,085.08, 400,324.30 and 162,770.09 is: 224,626.59
Step by Step Solution
- Step 1: Write the proportion equation
290,085.08 : 400,324.30 = 162,770.09 : x - Step 2: Convert to fraction form
290,085.08/400,324.30 = 162,770.09/x - Step 3: Cross multiply
290,085.08x = 400,324.30 × 162,770.09 - Step 4: Simplify right side
290,085.08x = 65,160,822,340.19 - Step 5: Solve for x
x = 65,160,822,340.19/290,085.08 - Step 6: Final answer
x = 224,626.59
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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.