Finding the Fourth Proportional to 211,452.36, 291,804.66 and 115,959.76
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Solution
The fourth proportional to 211,452.36, 291,804.66 and 115,959.76 is: 160,024.69
Step by Step Solution
- Step 1: Write the proportion equation
211,452.36 : 291,804.66 = 115,959.76 : x - Step 2: Convert to fraction form
211,452.36/291,804.66 = 115,959.76/x - Step 3: Cross multiply
211,452.36x = 291,804.66 × 115,959.76 - Step 4: Simplify right side
211,452.36x = 33,837,598,340.48 - Step 5: Solve for x
x = 33,837,598,340.48/211,452.36 - Step 6: Final answer
x = 160,024.69
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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.