Finding the Fourth Proportional to 330,542.37, 456,243.05 and 194,655.14
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Solution
The fourth proportional to 330,542.37, 456,243.05 and 194,655.14 is: 268,679.79
Step by Step Solution
- Step 1: Write the proportion equation
330,542.37 : 456,243.05 = 194,655.14 : x - Step 2: Convert to fraction form
330,542.37/456,243.05 = 194,655.14/x - Step 3: Cross multiply
330,542.37x = 456,243.05 × 194,655.14 - Step 4: Simplify right side
330,542.37x = 88,810,054,771.78 - Step 5: Solve for x
x = 88,810,054,771.78/330,542.37 - Step 6: Final answer
x = 268,679.79
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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.