Finding the Fourth Proportional to 211,265.36, 291,546.36 and 126,402.56
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Solution
The fourth proportional to 211,265.36, 291,546.36 and 126,402.56 is: 174,435.63
Step by Step Solution
- Step 1: Write the proportion equation
211,265.36 : 291,546.36 = 126,402.56 : x - Step 2: Convert to fraction form
211,265.36/291,546.36 = 126,402.56/x - Step 3: Cross multiply
211,265.36x = 291,546.36 × 126,402.56 - Step 4: Simplify right side
211,265.36x = 36,852,206,262.68 - Step 5: Solve for x
x = 36,852,206,262.68/211,265.36 - Step 6: Final answer
x = 174,435.63
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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.