Finding the Fourth Proportional to 135,591.53, 203,389.36 and 51,329.07
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Solution
The fourth proportional to 135,591.53, 203,389.36 and 51,329.07 is: 76,994.39
Step by Step Solution
- Step 1: Write the proportion equation
135,591.53 : 203,389.36 = 51,329.07 : x - Step 2: Convert to fraction form
135,591.53/203,389.36 = 51,329.07/x - Step 3: Cross multiply
135,591.53x = 203,389.36 × 51,329.07 - Step 4: Simplify right side
135,591.53x = 10,439,786,568.37 - Step 5: Solve for x
x = 10,439,786,568.37/135,591.53 - Step 6: Final answer
x = 76,994.39
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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.