Finding the Fourth Proportional to 121,830.53, 182,727.34 and 41,880.65
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Solution
The fourth proportional to 121,830.53, 182,727.34 and 41,880.65 is: 62,814.62
Step by Step Solution
- Step 1: Write the proportion equation
121,830.53 : 182,727.34 = 41,880.65 : x - Step 2: Convert to fraction form
121,830.53/182,727.34 = 41,880.65/x - Step 3: Cross multiply
121,830.53x = 182,727.34 × 41,880.65 - Step 4: Simplify right side
121,830.53x = 7,652,738,989.21 - Step 5: Solve for x
x = 7,652,738,989.21/121,830.53 - Step 6: Final answer
x = 62,814.62
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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.