Finding the Fourth Proportional to 239,194.92, 358,354.80 and 112,939.44
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Solution
The fourth proportional to 239,194.92, 358,354.80 and 112,939.44 is: 169,202.55
Step by Step Solution
- Step 1: Write the proportion equation
239,194.92 : 358,354.80 = 112,939.44 : x - Step 2: Convert to fraction form
239,194.92/358,354.80 = 112,939.44/x - Step 3: Cross multiply
239,194.92x = 358,354.80 × 112,939.44 - Step 4: Simplify right side
239,194.92x = 40,472,390,433.31 - Step 5: Solve for x
x = 40,472,390,433.31/239,194.92 - Step 6: Final answer
x = 169,202.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.