Finding the Fourth Proportional to 127,425.68, 175,588.26 and 98,570.12
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Solution
The fourth proportional to 127,425.68, 175,588.26 and 98,570.12 is: 135,826.28
Step by Step Solution
- Step 1: Write the proportion equation
127,425.68 : 175,588.26 = 98,570.12 : x - Step 2: Convert to fraction form
127,425.68/175,588.26 = 98,570.12/x - Step 3: Cross multiply
127,425.68x = 175,588.26 × 98,570.12 - Step 4: Simplify right side
127,425.68x = 17,307,755,858.79 - Step 5: Solve for x
x = 17,307,755,858.79/127,425.68 - Step 6: Final answer
x = 135,826.28
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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.