Finding the Fourth Proportional to 547,489.37, 821,235.96 and 168,407.53
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Solution
The fourth proportional to 547,489.37, 821,235.96 and 168,407.53 is: 252,611.88
Step by Step Solution
- Step 1: Write the proportion equation
547,489.37 : 821,235.96 = 168,407.53 : x - Step 2: Convert to fraction form
547,489.37/821,235.96 = 168,407.53/x - Step 3: Cross multiply
547,489.37x = 821,235.96 × 168,407.53 - Step 4: Simplify right side
547,489.37x = 138,302,319,570.78 - Step 5: Solve for x
x = 138,302,319,570.78/547,489.37 - Step 6: Final answer
x = 252,611.88
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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.