Finding the Fourth Proportional to 150,843.74, 226,314.76 and 71,947.70
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Solution
The fourth proportional to 150,843.74, 226,314.76 and 71,947.70 is: 107,944.99
Step by Step Solution
- Step 1: Write the proportion equation
150,843.74 : 226,314.76 = 71,947.70 : x - Step 2: Convert to fraction form
150,843.74/226,314.76 = 71,947.70/x - Step 3: Cross multiply
150,843.74x = 226,314.76 × 71,947.70 - Step 4: Simplify right side
150,843.74x = 16,282,826,458.05 - Step 5: Solve for x
x = 16,282,826,458.05/150,843.74 - Step 6: Final answer
x = 107,944.99
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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.