Finding the Fourth Proportional to 275,277.34, 412,782.36 and 161,456.14
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Solution
The fourth proportional to 275,277.34, 412,782.36 and 161,456.14 is: 242,105.82
Step by Step Solution
- Step 1: Write the proportion equation
275,277.34 : 412,782.36 = 161,456.14 : x - Step 2: Convert to fraction form
275,277.34/412,782.36 = 161,456.14/x - Step 3: Cross multiply
275,277.34x = 412,782.36 × 161,456.14 - Step 4: Simplify right side
275,277.34x = 66,646,246,505.69 - Step 5: Solve for x
x = 66,646,246,505.69/275,277.34 - Step 6: Final answer
x = 242,105.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.