Finding the Fourth Proportional to 451,542.21, 623,135.27 and 247,611.75
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Solution
The fourth proportional to 451,542.21, 623,135.27 and 247,611.75 is: 341,708.07
Step by Step Solution
- Step 1: Write the proportion equation
451,542.21 : 623,135.27 = 247,611.75 : x - Step 2: Convert to fraction form
451,542.21/623,135.27 = 247,611.75/x - Step 3: Cross multiply
451,542.21x = 623,135.27 × 247,611.75 - Step 4: Simplify right side
451,542.21x = 154,295,615,310.45 - Step 5: Solve for x
x = 154,295,615,310.45/451,542.21 - Step 6: Final answer
x = 341,708.07
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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.