Finding the Fourth Proportional to 515,612.31, 773,471.93 and 178,652.31
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Solution
The fourth proportional to 515,612.31, 773,471.93 and 178,652.31 is: 267,996.99
Step by Step Solution
- Step 1: Write the proportion equation
515,612.31 : 773,471.93 = 178,652.31 : x - Step 2: Convert to fraction form
515,612.31/773,471.93 = 178,652.31/x - Step 3: Cross multiply
515,612.31x = 773,471.93 × 178,652.31 - Step 4: Simplify right side
515,612.31x = 138,182,546,121.40 - Step 5: Solve for x
x = 138,182,546,121.40/515,612.31 - Step 6: Final answer
x = 267,996.99
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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.