Finding the Fourth Proportional to 84,888.40, 127,825.84 and 62,857.84
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Solution
The fourth proportional to 84,888.40, 127,825.84 and 62,857.84 is: 94,651.99
Step by Step Solution
- Step 1: Write the proportion equation
84,888.40 : 127,825.84 = 62,857.84 : x - Step 2: Convert to fraction form
84,888.40/127,825.84 = 62,857.84/x - Step 3: Cross multiply
84,888.40x = 127,825.84 × 62,857.84 - Step 4: Simplify right side
84,888.40x = 8,034,856,198.59 - Step 5: Solve for x
x = 8,034,856,198.59/84,888.40 - Step 6: Final answer
x = 94,651.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.