Finding the Fourth Proportional to 213,107.04, 294,125.04 and 122,490.72
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Solution
The fourth proportional to 213,107.04, 294,125.04 and 122,490.72 is: 169,058.65
Step by Step Solution
- Step 1: Write the proportion equation
213,107.04 : 294,125.04 = 122,490.72 : x - Step 2: Convert to fraction form
213,107.04/294,125.04 = 122,490.72/x - Step 3: Cross multiply
213,107.04x = 294,125.04 × 122,490.72 - Step 4: Simplify right side
213,107.04x = 36,027,587,919.63 - Step 5: Solve for x
x = 36,027,587,919.63/213,107.04 - Step 6: Final answer
x = 169,058.65
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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.