Finding the Fourth Proportional to 292,149.76, 438,273.09 and 102,560.92
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Solution
The fourth proportional to 292,149.76, 438,273.09 and 102,560.92 is: 153,858.39
Step by Step Solution
- Step 1: Write the proportion equation
292,149.76 : 438,273.09 = 102,560.92 : x - Step 2: Convert to fraction form
292,149.76/438,273.09 = 102,560.92/x - Step 3: Cross multiply
292,149.76x = 438,273.09 × 102,560.92 - Step 4: Simplify right side
292,149.76x = 44,949,691,321.64 - Step 5: Solve for x
x = 44,949,691,321.64/292,149.76 - Step 6: Final answer
x = 153,858.39
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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.