Finding the Fourth Proportional to 211,464.44, 291,824.94 and 115,965.40
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Solution
The fourth proportional to 211,464.44, 291,824.94 and 115,965.40 is: 160,034.45
Step by Step Solution
- Step 1: Write the proportion equation
211,464.44 : 291,824.94 = 115,965.40 : x - Step 2: Convert to fraction form
211,464.44/291,824.94 = 115,965.40/x - Step 3: Cross multiply
211,464.44x = 291,824.94 × 115,965.40 - Step 4: Simplify right side
211,464.44x = 33,841,595,897.08 - Step 5: Solve for x
x = 33,841,595,897.08/211,464.44 - Step 6: Final answer
x = 160,034.45
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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.