Finding the Fourth Proportional to 392,599.68, 541,803.84 and 222,849.60
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Solution
The fourth proportional to 392,599.68, 541,803.84 and 222,849.60 is: 307,541.69
Step by Step Solution
- Step 1: Write the proportion equation
392,599.68 : 541,803.84 = 222,849.60 : x - Step 2: Convert to fraction form
392,599.68/541,803.84 = 222,849.60/x - Step 3: Cross multiply
392,599.68x = 541,803.84 × 222,849.60 - Step 4: Simplify right side
392,599.68x = 120,740,769,022.46 - Step 5: Solve for x
x = 120,740,769,022.46/392,599.68 - Step 6: Final answer
x = 307,541.69
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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.