Finding the Fourth Proportional to 211,050.96, 291,239.07 and 115,539.24
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Solution
The fourth proportional to 211,050.96, 291,239.07 and 115,539.24 is: 159,437.99
Step by Step Solution
- Step 1: Write the proportion equation
211,050.96 : 291,239.07 = 115,539.24 : x - Step 2: Convert to fraction form
211,050.96/291,239.07 = 115,539.24/x - Step 3: Cross multiply
211,050.96x = 291,239.07 × 115,539.24 - Step 4: Simplify right side
211,050.96x = 33,649,540,806.11 - Step 5: Solve for x
x = 33,649,540,806.11/211,050.96 - Step 6: Final answer
x = 159,437.99
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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.