Finding the Fourth Proportional to 213,555.84, 294,343.14 and 195,456.31
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Solution
The fourth proportional to 213,555.84, 294,343.14 and 195,456.31 is: 269,396.63
Step by Step Solution
- Step 1: Write the proportion equation
213,555.84 : 294,343.14 = 195,456.31 : x - Step 2: Convert to fraction form
213,555.84/294,343.14 = 195,456.31/x - Step 3: Cross multiply
213,555.84x = 294,343.14 × 195,456.31 - Step 4: Simplify right side
213,555.84x = 57,531,224,018.21 - Step 5: Solve for x
x = 57,531,224,018.21/213,555.84 - Step 6: Final answer
x = 269,396.63
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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.