Finding the Fourth Proportional to 213,525.72, 294,694.74 and 122,879.70
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Solution
The fourth proportional to 213,525.72, 294,694.74 and 122,879.70 is: 169,590.82
Step by Step Solution
- Step 1: Write the proportion equation
213,525.72 : 294,694.74 = 122,879.70 : x - Step 2: Convert to fraction form
213,525.72/294,694.74 = 122,879.70/x - Step 3: Cross multiply
213,525.72x = 294,694.74 × 122,879.70 - Step 4: Simplify right side
213,525.72x = 36,212,001,242.78 - Step 5: Solve for x
x = 36,212,001,242.78/213,525.72 - Step 6: Final answer
x = 169,590.82
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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.