Finding the Fourth Proportional to 132,985.49, 199,305.88 and 54,007.97
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Solution
The fourth proportional to 132,985.49, 199,305.88 and 54,007.97 is: 80,941.95
Step by Step Solution
- Step 1: Write the proportion equation
132,985.49 : 199,305.88 = 54,007.97 : x - Step 2: Convert to fraction form
132,985.49/199,305.88 = 54,007.97/x - Step 3: Cross multiply
132,985.49x = 199,305.88 × 54,007.97 - Step 4: Simplify right side
132,985.49x = 10,764,104,856.31 - Step 5: Solve for x
x = 10,764,104,856.31/132,985.49 - Step 6: Final answer
x = 80,941.95
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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.