Finding the Fourth Proportional to 213,542.34, 294,662.79 and 118,035.96
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Solution
The fourth proportional to 213,542.34, 294,662.79 and 118,035.96 is: 162,875.45
Step by Step Solution
- Step 1: Write the proportion equation
213,542.34 : 294,662.79 = 118,035.96 : x - Step 2: Convert to fraction form
213,542.34/294,662.79 = 118,035.96/x - Step 3: Cross multiply
213,542.34x = 294,662.79 × 118,035.96 - Step 4: Simplify right side
213,542.34x = 34,780,805,293.93 - Step 5: Solve for x
x = 34,780,805,293.93/213,542.34 - Step 6: Final answer
x = 162,875.45
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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.