Finding the Fourth Proportional to 193,268.99, 266,713.41 and 107,229.56
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Solution
The fourth proportional to 193,268.99, 266,713.41 and 107,229.56 is: 147,978.02
Step by Step Solution
- Step 1: Write the proportion equation
193,268.99 : 266,713.41 = 107,229.56 : x - Step 2: Convert to fraction form
193,268.99/266,713.41 = 107,229.56/x - Step 3: Cross multiply
193,268.99x = 266,713.41 × 107,229.56 - Step 4: Simplify right side
193,268.99x = 28,599,561,600.40 - Step 5: Solve for x
x = 28,599,561,600.40/193,268.99 - Step 6: Final answer
x = 147,978.02
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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.