Finding the Fourth Proportional to 416,438.27, 574,622.67 and 235,146.31
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Solution
The fourth proportional to 416,438.27, 574,622.67 and 235,146.31 is: 324,466.82
Step by Step Solution
- Step 1: Write the proportion equation
416,438.27 : 574,622.67 = 235,146.31 : x - Step 2: Convert to fraction form
416,438.27/574,622.67 = 235,146.31/x - Step 3: Cross multiply
416,438.27x = 574,622.67 × 235,146.31 - Step 4: Simplify right side
416,438.27x = 135,120,400,492.85 - Step 5: Solve for x
x = 135,120,400,492.85/416,438.27 - Step 6: Final answer
x = 324,466.82
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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.