Finding the Fourth Proportional to 351,205.34, 526,643.76 and 126,536.18
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Solution
The fourth proportional to 351,205.34, 526,643.76 and 126,536.18 is: 189,745.09
Step by Step Solution
- Step 1: Write the proportion equation
351,205.34 : 526,643.76 = 126,536.18 : x - Step 2: Convert to fraction form
351,205.34/526,643.76 = 126,536.18/x - Step 3: Cross multiply
351,205.34x = 526,643.76 × 126,536.18 - Step 4: Simplify right side
351,205.34x = 66,639,489,611.24 - Step 5: Solve for x
x = 66,639,489,611.24/351,205.34 - Step 6: Final answer
x = 189,745.09
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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.