Finding the Fourth Proportional to 115,783.63, 173,651.14 and 32,658.19
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Solution
The fourth proportional to 115,783.63, 173,651.14 and 32,658.19 is: 48,980.43
Step by Step Solution
- Step 1: Write the proportion equation
115,783.63 : 173,651.14 = 32,658.19 : x - Step 2: Convert to fraction form
115,783.63/173,651.14 = 32,658.19/x - Step 3: Cross multiply
115,783.63x = 173,651.14 × 32,658.19 - Step 4: Simplify right side
115,783.63x = 5,671,131,530.53 - Step 5: Solve for x
x = 5,671,131,530.53/115,783.63 - Step 6: Final answer
x = 48,980.43
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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.