Finding the Fourth Proportional to 203,437.80, 305,156.70 and 193,069.80
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Solution
The fourth proportional to 203,437.80, 305,156.70 and 193,069.80 is: 289,604.70
Step by Step Solution
- Step 1: Write the proportion equation
203,437.80 : 305,156.70 = 193,069.80 : x - Step 2: Convert to fraction form
203,437.80/305,156.70 = 193,069.80/x - Step 3: Cross multiply
203,437.80x = 305,156.70 × 193,069.80 - Step 4: Simplify right side
203,437.80x = 58,916,543,037.66 - Step 5: Solve for x
x = 58,916,543,037.66/203,437.80 - Step 6: Final answer
x = 289,604.70
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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.