Finding the Fourth Proportional to 115,934.70, 162,658.50 and 115,934.70
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Solution
The fourth proportional to 115,934.70, 162,658.50 and 115,934.70 is: 162,658.50
Step by Step Solution
- Step 1: Write the proportion equation
115,934.70 : 162,658.50 = 115,934.70 : x - Step 2: Convert to fraction form
115,934.70/162,658.50 = 115,934.70/x - Step 3: Cross multiply
115,934.70x = 162,658.50 × 115,934.70 - Step 4: Simplify right side
115,934.70x = 18,857,764,399.95 - Step 5: Solve for x
x = 18,857,764,399.95/115,934.70 - Step 6: Final answer
x = 162,658.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.