Finding the Fourth Proportional to 392,373.52, 541,438.02 and 220,252.08
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Solution
The fourth proportional to 392,373.52, 541,438.02 and 220,252.08 is: 303,926.86
Step by Step Solution
- Step 1: Write the proportion equation
392,373.52 : 541,438.02 = 220,252.08 : x - Step 2: Convert to fraction form
392,373.52/541,438.02 = 220,252.08/x - Step 3: Cross multiply
392,373.52x = 541,438.02 × 220,252.08 - Step 4: Simplify right side
392,373.52x = 119,252,850,096.08 - Step 5: Solve for x
x = 119,252,850,096.08/392,373.52 - Step 6: Final answer
x = 303,926.86
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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.