Finding the Fourth Proportional to 303,491.80, 455,440.88 and 125,998.96
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Solution
The fourth proportional to 303,491.80, 455,440.88 and 125,998.96 is: 189,082.79
Step by Step Solution
- Step 1: Write the proportion equation
303,491.80 : 455,440.88 = 125,998.96 : x - Step 2: Convert to fraction form
303,491.80/455,440.88 = 125,998.96/x - Step 3: Cross multiply
303,491.80x = 455,440.88 × 125,998.96 - Step 4: Simplify right side
303,491.80x = 57,385,077,221.48 - Step 5: Solve for x
x = 57,385,077,221.48/303,491.80 - Step 6: Final answer
x = 189,082.79
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1.5x scale
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.