Finding the Fourth Proportional to 203,888.70, 305,833.05 and 133,029.90
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Solution
The fourth proportional to 203,888.70, 305,833.05 and 133,029.90 is: 199,544.85
Step by Step Solution
- Step 1: Write the proportion equation
203,888.70 : 305,833.05 = 133,029.90 : x - Step 2: Convert to fraction form
203,888.70/305,833.05 = 133,029.90/x - Step 3: Cross multiply
203,888.70x = 305,833.05 × 133,029.90 - Step 4: Simplify right side
203,888.70x = 40,684,940,058.20 - Step 5: Solve for x
x = 40,684,940,058.20/203,888.70 - Step 6: Final answer
x = 199,544.85
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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.