Finding the Fourth Proportional to 165,027.28, 227,736.08 and 89,575.68
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Solution
The fourth proportional to 165,027.28, 227,736.08 and 89,575.68 is: 123,613.59
Step by Step Solution
- Step 1: Write the proportion equation
165,027.28 : 227,736.08 = 89,575.68 : x - Step 2: Convert to fraction form
165,027.28/227,736.08 = 89,575.68/x - Step 3: Cross multiply
165,027.28x = 227,736.08 × 89,575.68 - Step 4: Simplify right side
165,027.28x = 20,399,614,226.53 - Step 5: Solve for x
x = 20,399,614,226.53/165,027.28 - Step 6: Final answer
x = 123,613.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.