Finding the Fourth Proportional to 289,027.80, 433,541.70 and 149,059.80
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Solution
The fourth proportional to 289,027.80, 433,541.70 and 149,059.80 is: 223,589.70
Step by Step Solution
- Step 1: Write the proportion equation
289,027.80 : 433,541.70 = 149,059.80 : x - Step 2: Convert to fraction form
289,027.80/433,541.70 = 149,059.80/x - Step 3: Cross multiply
289,027.80x = 433,541.70 × 149,059.80 - Step 4: Simplify right side
289,027.80x = 64,623,639,093.66 - Step 5: Solve for x
x = 64,623,639,093.66/289,027.80 - Step 6: Final answer
x = 223,589.70
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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.