Finding the Fourth Proportional to 308,748.44, 463,122.66 and 87,132.44
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Solution
The fourth proportional to 308,748.44, 463,122.66 and 87,132.44 is: 130,698.66
Step by Step Solution
- Step 1: Write the proportion equation
308,748.44 : 463,122.66 = 87,132.44 : x - Step 2: Convert to fraction form
308,748.44/463,122.66 = 87,132.44/x - Step 3: Cross multiply
308,748.44x = 463,122.66 × 87,132.44 - Step 4: Simplify right side
308,748.44x = 40,353,007,385.09 - Step 5: Solve for x
x = 40,353,007,385.09/308,748.44 - Step 6: Final answer
x = 130,698.66
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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.