Finding the Fourth Proportional to 211,977.14, 292,236.15 and 169,102.15
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Solution
The fourth proportional to 211,977.14, 292,236.15 and 169,102.15 is: 233,127.79
Step by Step Solution
- Step 1: Write the proportion equation
211,977.14 : 292,236.15 = 169,102.15 : x - Step 2: Convert to fraction form
211,977.14/292,236.15 = 169,102.15/x - Step 3: Cross multiply
211,977.14x = 292,236.15 × 169,102.15 - Step 4: Simplify right side
211,977.14x = 49,417,761,176.27 - Step 5: Solve for x
x = 49,417,761,176.27/211,977.14 - Step 6: Final answer
x = 233,127.79
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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.