Finding the Fourth Proportional to 213,358.32, 294,409.37 and 117,859.32
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Solution
The fourth proportional to 213,358.32, 294,409.37 and 117,859.32 is: 162,631.99
Step by Step Solution
- Step 1: Write the proportion equation
213,358.32 : 294,409.37 = 117,859.32 : x - Step 2: Convert to fraction form
213,358.32/294,409.37 = 117,859.32/x - Step 3: Cross multiply
213,358.32x = 294,409.37 × 117,859.32 - Step 4: Simplify right side
213,358.32x = 34,698,887,560.53 - Step 5: Solve for x
x = 34,698,887,560.53/213,358.32 - Step 6: Final answer
x = 162,631.99
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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.