Finding the Fourth Proportional to 203,903.20, 305,854.80 and 119,703.70
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Solution
The fourth proportional to 203,903.20, 305,854.80 and 119,703.70 is: 179,555.55
Step by Step Solution
- Step 1: Write the proportion equation
203,903.20 : 305,854.80 = 119,703.70 : x - Step 2: Convert to fraction form
203,903.20/305,854.80 = 119,703.70/x - Step 3: Cross multiply
203,903.20x = 305,854.80 × 119,703.70 - Step 4: Simplify right side
203,903.20x = 36,611,951,222.76 - Step 5: Solve for x
x = 36,611,951,222.76/203,903.20 - Step 6: Final answer
x = 179,555.55
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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.