Finding the Fourth Proportional to 203,833.48, 305,632.50 and 79,028.68
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Solution
The fourth proportional to 203,833.48, 305,632.50 and 79,028.68 is: 118,497.38
Step by Step Solution
- Step 1: Write the proportion equation
203,833.48 : 305,632.50 = 79,028.68 : x - Step 2: Convert to fraction form
203,833.48/305,632.50 = 79,028.68/x - Step 3: Cross multiply
203,833.48x = 305,632.50 × 79,028.68 - Step 4: Simplify right side
203,833.48x = 24,153,733,040.10 - Step 5: Solve for x
x = 24,153,733,040.10/203,833.48 - Step 6: Final answer
x = 118,497.38
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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.