Finding the Fourth Proportional to 159,833.26, 220,570.36 and 87,236.82
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Solution
The fourth proportional to 159,833.26, 220,570.36 and 87,236.82 is: 120,387.06
Step by Step Solution
- Step 1: Write the proportion equation
159,833.26 : 220,570.36 = 87,236.82 : x - Step 2: Convert to fraction form
159,833.26/220,570.36 = 87,236.82/x - Step 3: Cross multiply
159,833.26x = 220,570.36 × 87,236.82 - Step 4: Simplify right side
159,833.26x = 19,241,855,689.80 - Step 5: Solve for x
x = 19,241,855,689.80/159,833.26 - Step 6: Final answer
x = 120,387.06
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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.