Finding the Fourth Proportional to 135,189.96, 202,814.03 and 40,427.65
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Solution
The fourth proportional to 135,189.96, 202,814.03 and 40,427.65 is: 60,650.17
Step by Step Solution
- Step 1: Write the proportion equation
135,189.96 : 202,814.03 = 40,427.65 : x - Step 2: Convert to fraction form
135,189.96/202,814.03 = 40,427.65/x - Step 3: Cross multiply
135,189.96x = 202,814.03 × 40,427.65 - Step 4: Simplify right side
135,189.96x = 8,199,294,619.93 - Step 5: Solve for x
x = 8,199,294,619.93/135,189.96 - Step 6: Final answer
x = 60,650.17
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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.