Finding the Fourth Proportional to 326,361.72, 450,263.70 and 213,250.08
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Solution
The fourth proportional to 326,361.72, 450,263.70 and 213,250.08 is: 294,209.66
Step by Step Solution
- Step 1: Write the proportion equation
326,361.72 : 450,263.70 = 213,250.08 : x - Step 2: Convert to fraction form
326,361.72/450,263.70 = 213,250.08/x - Step 3: Cross multiply
326,361.72x = 450,263.70 × 213,250.08 - Step 4: Simplify right side
326,361.72x = 96,018,770,046.10 - Step 5: Solve for x
x = 96,018,770,046.10/326,361.72 - Step 6: Final answer
x = 294,209.66
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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.