Finding the Fourth Proportional to 157,850.40, 236,764.80 and 51,232.80
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Solution
The fourth proportional to 157,850.40, 236,764.80 and 51,232.80 is: 76,845.69
Step by Step Solution
- Step 1: Write the proportion equation
157,850.40 : 236,764.80 = 51,232.80 : x - Step 2: Convert to fraction form
157,850.40/236,764.80 = 51,232.80/x - Step 3: Cross multiply
157,850.40x = 236,764.80 × 51,232.80 - Step 4: Simplify right side
157,850.40x = 12,130,123,645.44 - Step 5: Solve for x
x = 12,130,123,645.44/157,850.40 - Step 6: Final answer
x = 76,845.69
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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.