Finding the Fourth Proportional to 160,952.40, 241,433.67 and 76,721.72
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Solution
The fourth proportional to 160,952.40, 241,433.67 and 76,721.72 is: 115,084.99
Step by Step Solution
- Step 1: Write the proportion equation
160,952.40 : 241,433.67 = 76,721.72 : x - Step 2: Convert to fraction form
160,952.40/241,433.67 = 76,721.72/x - Step 3: Cross multiply
160,952.40x = 241,433.67 × 76,721.72 - Step 4: Simplify right side
160,952.40x = 18,523,205,221.14 - Step 5: Solve for x
x = 18,523,205,221.14/160,952.40 - Step 6: Final answer
x = 115,084.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.