Finding the Fourth Proportional to 211,437.24, 291,769.14 and 115,941.90
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Solution
The fourth proportional to 211,437.24, 291,769.14 and 115,941.90 is: 159,992.01
Step by Step Solution
- Step 1: Write the proportion equation
211,437.24 : 291,769.14 = 115,941.90 : x - Step 2: Convert to fraction form
211,437.24/291,769.14 = 115,941.90/x - Step 3: Cross multiply
211,437.24x = 291,769.14 × 115,941.90 - Step 4: Simplify right side
211,437.24x = 33,828,268,452.97 - Step 5: Solve for x
x = 33,828,268,452.97/211,437.24 - Step 6: Final answer
x = 159,992.01
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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.