Finding the Fourth Proportional to 211,453.26, 291,818.79 and 115,959.99
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Solution
The fourth proportional to 211,453.26, 291,818.79 and 115,959.99 is: 160,032.08
Step by Step Solution
- Step 1: Write the proportion equation
211,453.26 : 291,818.79 = 115,959.99 : x - Step 2: Convert to fraction form
211,453.26/291,818.79 = 115,959.99/x - Step 3: Cross multiply
211,453.26x = 291,818.79 × 115,959.99 - Step 4: Simplify right side
211,453.26x = 33,839,303,970.21 - Step 5: Solve for x
x = 33,839,303,970.21/211,453.26 - Step 6: Final answer
x = 160,032.08
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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.