Finding the Fourth Proportional to 68,829.28, 103,202.64 and 33,268.96
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Solution
The fourth proportional to 68,829.28, 103,202.64 and 33,268.96 is: 49,883.49
Step by Step Solution
- Step 1: Write the proportion equation
68,829.28 : 103,202.64 = 33,268.96 : x - Step 2: Convert to fraction form
68,829.28/103,202.64 = 33,268.96/x - Step 3: Cross multiply
68,829.28x = 103,202.64 × 33,268.96 - Step 4: Simplify right side
68,829.28x = 3,433,444,502.05 - Step 5: Solve for x
x = 3,433,444,502.05/68,829.28 - Step 6: Final answer
x = 49,883.49
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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.