Finding the Fourth Proportional to 211,765.41, 292,240.98 and 116,272.49
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Solution
The fourth proportional to 211,765.41, 292,240.98 and 116,272.49 is: 160,458.62
Step by Step Solution
- Step 1: Write the proportion equation
211,765.41 : 292,240.98 = 116,272.49 : x - Step 2: Convert to fraction form
211,765.41/292,240.98 = 116,272.49/x - Step 3: Cross multiply
211,765.41x = 292,240.98 × 116,272.49 - Step 4: Simplify right side
211,765.41x = 33,979,584,963.44 - Step 5: Solve for x
x = 33,979,584,963.44/211,765.41 - Step 6: Final answer
x = 160,458.62
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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.