Finding the Fourth Proportional to 351,115.28, 526,548.44 and 126,415.44
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Solution
The fourth proportional to 351,115.28, 526,548.44 and 126,415.44 is: 189,578.34
Step by Step Solution
- Step 1: Write the proportion equation
351,115.28 : 526,548.44 = 126,415.44 : x - Step 2: Convert to fraction form
351,115.28/526,548.44 = 126,415.44/x - Step 3: Cross multiply
351,115.28x = 526,548.44 × 126,415.44 - Step 4: Simplify right side
351,115.28x = 66,563,852,723.91 - Step 5: Solve for x
x = 66,563,852,723.91/351,115.28 - Step 6: Final answer
x = 189,578.34
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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.