Finding the Fourth Proportional to 117,538.58, 176,320.18 and 38,658.96
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Solution
The fourth proportional to 117,538.58, 176,320.18 and 38,658.96 is: 57,992.49
Step by Step Solution
- Step 1: Write the proportion equation
117,538.58 : 176,320.18 = 38,658.96 : x - Step 2: Convert to fraction form
117,538.58/176,320.18 = 38,658.96/x - Step 3: Cross multiply
117,538.58x = 176,320.18 × 38,658.96 - Step 4: Simplify right side
117,538.58x = 6,816,354,616.68 - Step 5: Solve for x
x = 6,816,354,616.68/117,538.58 - Step 6: Final answer
x = 57,992.49
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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.