Finding the Fourth Proportional to 135,507.54, 203,296.50 and 51,268.26
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Solution
The fourth proportional to 135,507.54, 203,296.50 and 51,268.26 is: 76,915.70
Step by Step Solution
- Step 1: Write the proportion equation
135,507.54 : 203,296.50 = 51,268.26 : x - Step 2: Convert to fraction form
135,507.54/203,296.50 = 51,268.26/x - Step 3: Cross multiply
135,507.54x = 203,296.50 × 51,268.26 - Step 4: Simplify right side
135,507.54x = 10,422,657,819.09 - Step 5: Solve for x
x = 10,422,657,819.09/135,507.54 - Step 6: Final answer
x = 76,915.70
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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.