Finding the Fourth Proportional to 213,060.22, 294,129.55 and 132,513.71
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Solution
The fourth proportional to 213,060.22, 294,129.55 and 132,513.71 is: 182,935.12
Step by Step Solution
- Step 1: Write the proportion equation
213,060.22 : 294,129.55 = 132,513.71 : x - Step 2: Convert to fraction form
213,060.22/294,129.55 = 132,513.71/x - Step 3: Cross multiply
213,060.22x = 294,129.55 × 132,513.71 - Step 4: Simplify right side
213,060.22x = 38,976,197,891.13 - Step 5: Solve for x
x = 38,976,197,891.13/213,060.22 - Step 6: Final answer
x = 182,935.12
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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.