Finding the Fourth Proportional to 213,357.09, 294,421.91 and 117,845.31
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Solution
The fourth proportional to 213,357.09, 294,421.91 and 117,845.31 is: 162,620.52
Step by Step Solution
- Step 1: Write the proportion equation
213,357.09 : 294,421.91 = 117,845.31 : x - Step 2: Convert to fraction form
213,357.09/294,421.91 = 117,845.31/x - Step 3: Cross multiply
213,357.09x = 294,421.91 × 117,845.31 - Step 4: Simplify right side
213,357.09x = 34,696,240,665.52 - Step 5: Solve for x
x = 34,696,240,665.52/213,357.09 - Step 6: Final answer
x = 162,620.52
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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.