Finding the Fourth Proportional to 159,660.64, 220,326.64 and 88,043.68
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Solution
The fourth proportional to 159,660.64, 220,326.64 and 88,043.68 is: 121,497.50
Step by Step Solution
- Step 1: Write the proportion equation
159,660.64 : 220,326.64 = 88,043.68 : x - Step 2: Convert to fraction form
159,660.64/220,326.64 = 88,043.68/x - Step 3: Cross multiply
159,660.64x = 220,326.64 × 88,043.68 - Step 4: Simplify right side
159,660.64x = 19,398,368,187.64 - Step 5: Solve for x
x = 19,398,368,187.64/159,660.64 - Step 6: Final answer
x = 121,497.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.