Finding the Fourth Proportional to 171,838.80, 257,758.20 and 92,122.65
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Solution
The fourth proportional to 171,838.80, 257,758.20 and 92,122.65 is: 138,183.98
Step by Step Solution
- Step 1: Write the proportion equation
171,838.80 : 257,758.20 = 92,122.65 : x - Step 2: Convert to fraction form
171,838.80/257,758.20 = 92,122.65/x - Step 3: Cross multiply
171,838.80x = 257,758.20 × 92,122.65 - Step 4: Simplify right side
171,838.80x = 23,745,368,443.23 - Step 5: Solve for x
x = 23,745,368,443.23/171,838.80 - Step 6: Final answer
x = 138,183.98
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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.