Finding the Fourth Proportional to 211,174.08, 291,372.96 and 126,277.44
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Solution
The fourth proportional to 211,174.08, 291,372.96 and 126,277.44 is: 174,234.60
Step by Step Solution
- Step 1: Write the proportion equation
211,174.08 : 291,372.96 = 126,277.44 : x - Step 2: Convert to fraction form
211,174.08/291,372.96 = 126,277.44/x - Step 3: Cross multiply
211,174.08x = 291,372.96 × 126,277.44 - Step 4: Simplify right side
211,174.08x = 36,793,831,474.02 - Step 5: Solve for x
x = 36,793,831,474.02/211,174.08 - Step 6: Final answer
x = 174,234.60
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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.