Finding the Fourth Proportional to 211,452.36, 291,808.28 and 115,953.36
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Solution
The fourth proportional to 211,452.36, 291,808.28 and 115,953.36 is: 160,017.84
Step by Step Solution
- Step 1: Write the proportion equation
211,452.36 : 291,808.28 = 115,953.36 : x - Step 2: Convert to fraction form
211,452.36/291,808.28 = 115,953.36/x - Step 3: Cross multiply
211,452.36x = 291,808.28 × 115,953.36 - Step 4: Simplify right side
211,452.36x = 33,836,150,541.82 - Step 5: Solve for x
x = 33,836,150,541.82/211,452.36 - Step 6: Final answer
x = 160,017.84
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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.