Finding the Fourth Proportional to 132,651.54, 198,852.24 and 66,028.68
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Solution
The fourth proportional to 132,651.54, 198,852.24 and 66,028.68 is: 98,980.77
Step by Step Solution
- Step 1: Write the proportion equation
132,651.54 : 198,852.24 = 66,028.68 : x - Step 2: Convert to fraction form
132,651.54/198,852.24 = 66,028.68/x - Step 3: Cross multiply
132,651.54x = 198,852.24 × 66,028.68 - Step 4: Simplify right side
132,651.54x = 13,129,950,922.24 - Step 5: Solve for x
x = 13,129,950,922.24/132,651.54 - Step 6: Final answer
x = 98,980.77
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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.