Finding the Fourth Proportional to 212,372.70, 293,080.21 and 115,577.44
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Solution
The fourth proportional to 212,372.70, 293,080.21 and 115,577.44 is: 159,500.07
Step by Step Solution
- Step 1: Write the proportion equation
212,372.70 : 293,080.21 = 115,577.44 : x - Step 2: Convert to fraction form
212,372.70/293,080.21 = 115,577.44/x - Step 3: Cross multiply
212,372.70x = 293,080.21 × 115,577.44 - Step 4: Simplify right side
212,372.70x = 33,873,460,386.46 - Step 5: Solve for x
x = 33,873,460,386.46/212,372.70 - Step 6: Final answer
x = 159,500.07
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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.