Finding the Fourth Proportional to 351,218.71, 526,505.13 and 126,524.19
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Solution
The fourth proportional to 351,218.71, 526,505.13 and 126,524.19 is: 189,669.95
Step by Step Solution
- Step 1: Write the proportion equation
351,218.71 : 526,505.13 = 126,524.19 : x - Step 2: Convert to fraction form
351,218.71/526,505.13 = 126,524.19/x - Step 3: Cross multiply
351,218.71x = 526,505.13 × 126,524.19 - Step 4: Simplify right side
351,218.71x = 66,615,635,104.09 - Step 5: Solve for x
x = 66,615,635,104.09/351,218.71 - Step 6: Final answer
x = 189,669.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.