Finding the Fourth Proportional to 132,811.80, 199,246.86 and 39,324.84
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Solution
The fourth proportional to 132,811.80, 199,246.86 and 39,324.84 is: 58,995.89
Step by Step Solution
- Step 1: Write the proportion equation
132,811.80 : 199,246.86 = 39,324.84 : x - Step 2: Convert to fraction form
132,811.80/199,246.86 = 39,324.84/x - Step 3: Cross multiply
132,811.80x = 199,246.86 × 39,324.84 - Step 4: Simplify right side
132,811.80x = 7,835,350,890.00 - Step 5: Solve for x
x = 7,835,350,890.00/132,811.80 - Step 6: Final answer
x = 58,995.89
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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.