Finding the Fourth Proportional to 134,613.96, 202,014.62 and 55,728.60
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Solution
The fourth proportional to 134,613.96, 202,014.62 and 55,728.60 is: 83,631.68
Step by Step Solution
- Step 1: Write the proportion equation
134,613.96 : 202,014.62 = 55,728.60 : x - Step 2: Convert to fraction form
134,613.96/202,014.62 = 55,728.60/x - Step 3: Cross multiply
134,613.96x = 202,014.62 × 55,728.60 - Step 4: Simplify right side
134,613.96x = 11,257,991,952.13 - Step 5: Solve for x
x = 11,257,991,952.13/134,613.96 - Step 6: Final answer
x = 83,631.68
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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.