Finding the Fourth Proportional to 245,716.11, 368,573.84 and 77,251.14
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Solution
The fourth proportional to 245,716.11, 368,573.84 and 77,251.14 is: 115,876.60
Step by Step Solution
- Step 1: Write the proportion equation
245,716.11 : 368,573.84 = 77,251.14 : x - Step 2: Convert to fraction form
245,716.11/368,573.84 = 77,251.14/x - Step 3: Cross multiply
245,716.11x = 368,573.84 × 77,251.14 - Step 4: Simplify right side
245,716.11x = 28,472,747,664.44 - Step 5: Solve for x
x = 28,472,747,664.44/245,716.11 - Step 6: Final answer
x = 115,876.60
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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.