Finding the Fourth Proportional to 135,324.72, 202,991.64 and 46,577.28
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Solution
The fourth proportional to 135,324.72, 202,991.64 and 46,577.28 is: 69,867.49
Step by Step Solution
- Step 1: Write the proportion equation
135,324.72 : 202,991.64 = 46,577.28 : x - Step 2: Convert to fraction form
135,324.72/202,991.64 = 46,577.28/x - Step 3: Cross multiply
135,324.72x = 202,991.64 × 46,577.28 - Step 4: Simplify right side
135,324.72x = 9,454,798,453.94 - Step 5: Solve for x
x = 9,454,798,453.94/135,324.72 - Step 6: Final answer
x = 69,867.49
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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.