Finding the Fourth Proportional to 638,833.14, 958,381.96 and 259,753.92
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Solution
The fourth proportional to 638,833.14, 958,381.96 and 259,753.92 is: 389,684.65
Step by Step Solution
- Step 1: Write the proportion equation
638,833.14 : 958,381.96 = 259,753.92 : x - Step 2: Convert to fraction form
638,833.14/958,381.96 = 259,753.92/x - Step 3: Cross multiply
638,833.14x = 958,381.96 × 259,753.92 - Step 4: Simplify right side
638,833.14x = 248,943,470,967.28 - Step 5: Solve for x
x = 248,943,470,967.28/638,833.14 - Step 6: Final answer
x = 389,684.65
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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.