Finding the Fourth Proportional to 211,777.44, 292,262.40 and 126,892.68
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Solution
The fourth proportional to 211,777.44, 292,262.40 and 126,892.68 is: 175,117.61
Step by Step Solution
- Step 1: Write the proportion equation
211,777.44 : 292,262.40 = 126,892.68 : x - Step 2: Convert to fraction form
211,777.44/292,262.40 = 126,892.68/x - Step 3: Cross multiply
211,777.44x = 292,262.40 × 126,892.68 - Step 4: Simplify right side
211,777.44x = 37,085,959,199.23 - Step 5: Solve for x
x = 37,085,959,199.23/211,777.44 - Step 6: Final answer
x = 175,117.61
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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.