Finding the Fourth Proportional to 213,143.24, 294,137.70 and 117,649.96
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Solution
The fourth proportional to 213,143.24, 294,137.70 and 117,649.96 is: 162,356.96
Step by Step Solution
- Step 1: Write the proportion equation
213,143.24 : 294,137.70 = 117,649.96 : x - Step 2: Convert to fraction form
213,143.24/294,137.70 = 117,649.96/x - Step 3: Cross multiply
213,143.24x = 294,137.70 × 117,649.96 - Step 4: Simplify right side
213,143.24x = 34,605,288,639.49 - Step 5: Solve for x
x = 34,605,288,639.49/213,143.24 - Step 6: Final answer
x = 162,356.96
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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.