Finding the Fourth Proportional to 193,434.09, 266,958.23 and 108,551.49
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Solution
The fourth proportional to 193,434.09, 266,958.23 and 108,551.49 is: 149,811.82
Step by Step Solution
- Step 1: Write the proportion equation
193,434.09 : 266,958.23 = 108,551.49 : x - Step 2: Convert to fraction form
193,434.09/266,958.23 = 108,551.49/x - Step 3: Cross multiply
193,434.09x = 266,958.23 × 108,551.49 - Step 4: Simplify right side
193,434.09x = 28,978,713,634.26 - Step 5: Solve for x
x = 28,978,713,634.26/193,434.09 - Step 6: Final answer
x = 149,811.82
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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.