Finding the Fourth Proportional to 367,467.26, 551,235.70 and 142,845.06
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Solution
The fourth proportional to 367,467.26, 551,235.70 and 142,845.06 is: 214,281.12
Step by Step Solution
- Step 1: Write the proportion equation
367,467.26 : 551,235.70 = 142,845.06 : x - Step 2: Convert to fraction form
367,467.26/551,235.70 = 142,845.06/x - Step 3: Cross multiply
367,467.26x = 551,235.70 × 142,845.06 - Step 4: Simplify right side
367,467.26x = 78,741,296,640.64 - Step 5: Solve for x
x = 78,741,296,640.64/367,467.26 - Step 6: Final answer
x = 214,281.12
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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.