Finding the Fourth Proportional to 246,571.44, 369,878.21 and 86,633.40
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Solution
The fourth proportional to 246,571.44, 369,878.21 and 86,633.40 is: 129,957.50
Step by Step Solution
- Step 1: Write the proportion equation
246,571.44 : 369,878.21 = 86,633.40 : x - Step 2: Convert to fraction form
246,571.44/369,878.21 = 86,633.40/x - Step 3: Cross multiply
246,571.44x = 369,878.21 × 86,633.40 - Step 4: Simplify right side
246,571.44x = 32,043,806,918.21 - Step 5: Solve for x
x = 32,043,806,918.21/246,571.44 - Step 6: Final answer
x = 129,957.50
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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.