Finding the Fourth Proportional to 132,813.80, 199,249.86 and 39,326.84
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Solution
The fourth proportional to 132,813.80, 199,249.86 and 39,326.84 is: 58,998.89
Step by Step Solution
- Step 1: Write the proportion equation
132,813.80 : 199,249.86 = 39,326.84 : x - Step 2: Convert to fraction form
132,813.80/199,249.86 = 39,326.84/x - Step 3: Cross multiply
132,813.80x = 199,249.86 × 39,326.84 - Step 4: Simplify right side
132,813.80x = 7,835,867,364.24 - Step 5: Solve for x
x = 7,835,867,364.24/132,813.80 - Step 6: Final answer
x = 58,998.89
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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.