Finding the Fourth Proportional to 213,555.33, 294,342.45 and 195,455.81
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Solution
The fourth proportional to 213,555.33, 294,342.45 and 195,455.81 is: 269,395.95
Step by Step Solution
- Step 1: Write the proportion equation
213,555.33 : 294,342.45 = 195,455.81 : x - Step 2: Convert to fraction form
213,555.33/294,342.45 = 195,455.81/x - Step 3: Cross multiply
213,555.33x = 294,342.45 × 195,455.81 - Step 4: Simplify right side
213,555.33x = 57,530,941,982.13 - Step 5: Solve for x
x = 57,530,941,982.13/213,555.33 - Step 6: Final answer
x = 269,395.95
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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.