Finding the Fourth Proportional to 392,236.23, 541,268.95 and 217,795.58
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Solution
The fourth proportional to 392,236.23, 541,268.95 and 217,795.58 is: 300,548.43
Step by Step Solution
- Step 1: Write the proportion equation
392,236.23 : 541,268.95 = 217,795.58 : x - Step 2: Convert to fraction form
392,236.23/541,268.95 = 217,795.58/x - Step 3: Cross multiply
392,236.23x = 541,268.95 × 217,795.58 - Step 4: Simplify right side
392,236.23x = 117,885,984,901.24 - Step 5: Solve for x
x = 117,885,984,901.24/392,236.23 - Step 6: Final answer
x = 300,548.43
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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.