Finding the Fourth Proportional to 211,060.38, 291,260.44 and 115,567.09
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Solution
The fourth proportional to 211,060.38, 291,260.44 and 115,567.09 is: 159,481.00
Step by Step Solution
- Step 1: Write the proportion equation
211,060.38 : 291,260.44 = 115,567.09 : x - Step 2: Convert to fraction form
211,060.38/291,260.44 = 115,567.09/x - Step 3: Cross multiply
211,060.38x = 291,260.44 × 115,567.09 - Step 4: Simplify right side
211,060.38x = 33,660,120,899.23 - Step 5: Solve for x
x = 33,660,120,899.23/211,060.38 - Step 6: Final answer
x = 159,481.00
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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.