Finding the Fourth Proportional to 292,620.14, 439,114.74 and 115,104.09
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Solution
The fourth proportional to 292,620.14, 439,114.74 and 115,104.09 is: 172,728.72
Step by Step Solution
- Step 1: Write the proportion equation
292,620.14 : 439,114.74 = 115,104.09 : x - Step 2: Convert to fraction form
292,620.14/439,114.74 = 115,104.09/x - Step 3: Cross multiply
292,620.14x = 439,114.74 × 115,104.09 - Step 4: Simplify right side
292,620.14x = 50,543,902,269.50 - Step 5: Solve for x
x = 50,543,902,269.50/292,620.14 - Step 6: Final answer
x = 172,728.72
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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.