Finding the Fourth Proportional to 211,250.19, 291,526.42 and 114,455.62
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Solution
The fourth proportional to 211,250.19, 291,526.42 and 114,455.62 is: 157,949.38
Step by Step Solution
- Step 1: Write the proportion equation
211,250.19 : 291,526.42 = 114,455.62 : x - Step 2: Convert to fraction form
211,250.19/291,526.42 = 114,455.62/x - Step 3: Cross multiply
211,250.19x = 291,526.42 × 114,455.62 - Step 4: Simplify right side
211,250.19x = 33,366,836,708.49 - Step 5: Solve for x
x = 33,366,836,708.49/211,250.19 - Step 6: Final answer
x = 157,949.38
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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.