Finding the Fourth Proportional to 133,224.36, 183,847.44 and 72,793.68
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Solution
The fourth proportional to 133,224.36, 183,847.44 and 72,793.68 is: 100,454.09
Step by Step Solution
- Step 1: Write the proportion equation
133,224.36 : 183,847.44 = 72,793.68 : x - Step 2: Convert to fraction form
133,224.36/183,847.44 = 72,793.68/x - Step 3: Cross multiply
133,224.36x = 183,847.44 × 72,793.68 - Step 4: Simplify right side
133,224.36x = 13,382,931,716.18 - Step 5: Solve for x
x = 13,382,931,716.18/133,224.36 - Step 6: Final answer
x = 100,454.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.