Finding the Fourth Proportional to 275,858.24, 380,691.99 and 194,212.46
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Solution
The fourth proportional to 275,858.24, 380,691.99 and 194,212.46 is: 268,018.56
Step by Step Solution
- Step 1: Write the proportion equation
275,858.24 : 380,691.99 = 194,212.46 : x - Step 2: Convert to fraction form
275,858.24/380,691.99 = 194,212.46/x - Step 3: Cross multiply
275,858.24x = 380,691.99 × 194,212.46 - Step 4: Simplify right side
275,858.24x = 73,935,127,880.20 - Step 5: Solve for x
x = 73,935,127,880.20/275,858.24 - Step 6: Final answer
x = 268,018.56
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1.5x scale
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.