Finding the Fourth Proportional to 117,540.58, 176,323.18 and 38,660.96
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Solution
The fourth proportional to 117,540.58, 176,323.18 and 38,660.96 is: 57,995.49
Step by Step Solution
- Step 1: Write the proportion equation
117,540.58 : 176,323.18 = 38,660.96 : x - Step 2: Convert to fraction form
117,540.58/176,323.18 = 38,660.96/x - Step 3: Cross multiply
117,540.58x = 176,323.18 × 38,660.96 - Step 4: Simplify right side
117,540.58x = 6,816,823,409.05 - Step 5: Solve for x
x = 6,816,823,409.05/117,540.58 - Step 6: Final answer
x = 57,995.49
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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.