Finding the Fourth Proportional to 213,403.91, 294,472.13 and 127,346.94
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Solution
The fourth proportional to 213,403.91, 294,472.13 and 127,346.94 is: 175,723.70
Step by Step Solution
- Step 1: Write the proportion equation
213,403.91 : 294,472.13 = 127,346.94 : x - Step 2: Convert to fraction form
213,403.91/294,472.13 = 127,346.94/x - Step 3: Cross multiply
213,403.91x = 294,472.13 × 127,346.94 - Step 4: Simplify right side
213,403.91x = 37,500,124,034.05 - Step 5: Solve for x
x = 37,500,124,034.05/213,403.91 - Step 6: Final answer
x = 175,723.70
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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.