Finding the Fourth Proportional to 211,269.22, 291,549.04 and 114,471.18
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Solution
The fourth proportional to 211,269.22, 291,549.04 and 114,471.18 is: 157,968.88
Step by Step Solution
- Step 1: Write the proportion equation
211,269.22 : 291,549.04 = 114,471.18 : x - Step 2: Convert to fraction form
211,269.22/291,549.04 = 114,471.18/x - Step 3: Cross multiply
211,269.22x = 291,549.04 × 114,471.18 - Step 4: Simplify right side
211,269.22x = 33,373,962,064.31 - Step 5: Solve for x
x = 33,373,962,064.31/211,269.22 - Step 6: Final answer
x = 157,968.88
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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.