Finding the Fourth Proportional to 213,283.64, 294,333.43 and 121,398.44
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Solution
The fourth proportional to 213,283.64, 294,333.43 and 121,398.44 is: 167,530.99
Step by Step Solution
- Step 1: Write the proportion equation
213,283.64 : 294,333.43 = 121,398.44 : x - Step 2: Convert to fraction form
213,283.64/294,333.43 = 121,398.44/x - Step 3: Cross multiply
213,283.64x = 294,333.43 × 121,398.44 - Step 4: Simplify right side
213,283.64x = 35,731,619,241.85 - Step 5: Solve for x
x = 35,731,619,241.85/213,283.64 - Step 6: Final answer
x = 167,530.99
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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.