Finding the Fourth Proportional to 213,212.25, 294,232.83 and 122,585.94
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Solution
The fourth proportional to 213,212.25, 294,232.83 and 122,585.94 is: 169,168.55
Step by Step Solution
- Step 1: Write the proportion equation
213,212.25 : 294,232.83 = 122,585.94 : x - Step 2: Convert to fraction form
213,212.25/294,232.83 = 122,585.94/x - Step 3: Cross multiply
213,212.25x = 294,232.83 × 122,585.94 - Step 4: Simplify right side
213,212.25x = 36,068,808,044.41 - Step 5: Solve for x
x = 36,068,808,044.41/213,212.25 - Step 6: Final answer
x = 169,168.55
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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.