Finding the Fourth Proportional to 213,294.52, 294,334.32 and 122,636.08
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Solution
The fourth proportional to 213,294.52, 294,334.32 and 122,636.08 is: 169,230.82
Step by Step Solution
- Step 1: Write the proportion equation
213,294.52 : 294,334.32 = 122,636.08 : x - Step 2: Convert to fraction form
213,294.52/294,334.32 = 122,636.08/x - Step 3: Cross multiply
213,294.52x = 294,334.32 × 122,636.08 - Step 4: Simplify right side
213,294.52x = 36,096,007,214.27 - Step 5: Solve for x
x = 36,096,007,214.27/213,294.52 - Step 6: Final answer
x = 169,230.82
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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.