Finding the Fourth Proportional to 285,163.06, 393,517.14 and 162,652.66
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Solution
The fourth proportional to 285,163.06, 393,517.14 and 162,652.66 is: 224,456.17
Step by Step Solution
- Step 1: Write the proportion equation
285,163.06 : 393,517.14 = 162,652.66 : x - Step 2: Convert to fraction form
285,163.06/393,517.14 = 162,652.66/x - Step 3: Cross multiply
285,163.06x = 393,517.14 × 162,652.66 - Step 4: Simplify right side
285,163.06x = 64,006,609,576.59 - Step 5: Solve for x
x = 64,006,609,576.59/285,163.06 - Step 6: Final answer
x = 224,456.17
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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.