Finding the Fourth Proportional to 211,291.05, 291,579.97 and 115,797.52
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Solution
The fourth proportional to 211,291.05, 291,579.97 and 115,797.52 is: 159,799.66
Step by Step Solution
- Step 1: Write the proportion equation
211,291.05 : 291,579.97 = 115,797.52 : x - Step 2: Convert to fraction form
211,291.05/291,579.97 = 115,797.52/x - Step 3: Cross multiply
211,291.05x = 291,579.97 × 115,797.52 - Step 4: Simplify right side
211,291.05x = 33,764,237,407.67 - Step 5: Solve for x
x = 33,764,237,407.67/211,291.05 - Step 6: Final answer
x = 159,799.66
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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.