Finding the Fourth Proportional to 193,403.26, 266,828.07 and 126,374.14
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Solution
The fourth proportional to 193,403.26, 266,828.07 and 126,374.14 is: 174,351.60
Step by Step Solution
- Step 1: Write the proportion equation
193,403.26 : 266,828.07 = 126,374.14 : x - Step 2: Convert to fraction form
193,403.26/266,828.07 = 126,374.14/x - Step 3: Cross multiply
193,403.26x = 266,828.07 × 126,374.14 - Step 4: Simplify right side
193,403.26x = 33,720,167,874.11 - Step 5: Solve for x
x = 33,720,167,874.11/193,403.26 - Step 6: Final answer
x = 174,351.60
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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.