Finding the Fourth Proportional to 245,554.98, 338,912.37 and 153,717.01
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Solution
The fourth proportional to 245,554.98, 338,912.37 and 153,717.01 is: 212,158.58
Step by Step Solution
- Step 1: Write the proportion equation
245,554.98 : 338,912.37 = 153,717.01 : x - Step 2: Convert to fraction form
245,554.98/338,912.37 = 153,717.01/x - Step 3: Cross multiply
245,554.98x = 338,912.37 × 153,717.01 - Step 4: Simplify right side
245,554.98x = 52,096,595,321.13 - Step 5: Solve for x
x = 52,096,595,321.13/245,554.98 - Step 6: Final answer
x = 212,158.58
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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.