Finding the Fourth Proportional to 132,816.80, 199,254.36 and 39,329.84
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Solution
The fourth proportional to 132,816.80, 199,254.36 and 39,329.84 is: 59,003.39
Step by Step Solution
- Step 1: Write the proportion equation
132,816.80 : 199,254.36 = 39,329.84 : x - Step 2: Convert to fraction form
132,816.80/199,254.36 = 39,329.84/x - Step 3: Cross multiply
132,816.80x = 199,254.36 × 39,329.84 - Step 4: Simplify right side
132,816.80x = 7,836,642,098.10 - Step 5: Solve for x
x = 7,836,642,098.10/132,816.80 - Step 6: Final answer
x = 59,003.39
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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.