Finding the Fourth Proportional to 201,775.80, 278,317.26 and 126,193.08
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Solution
The fourth proportional to 201,775.80, 278,317.26 and 126,193.08 is: 174,063.06
Step by Step Solution
- Step 1: Write the proportion equation
201,775.80 : 278,317.26 = 126,193.08 : x - Step 2: Convert to fraction form
201,775.80/278,317.26 = 126,193.08/x - Step 3: Cross multiply
201,775.80x = 278,317.26 × 126,193.08 - Step 4: Simplify right side
201,775.80x = 35,121,712,256.56 - Step 5: Solve for x
x = 35,121,712,256.56/201,775.80 - Step 6: Final answer
x = 174,063.06
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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.