Finding the Fourth Proportional to 235,203.92, 352,793.12 and 221,334.70
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Solution
The fourth proportional to 235,203.92, 352,793.12 and 221,334.70 is: 331,990.04
Step by Step Solution
- Step 1: Write the proportion equation
235,203.92 : 352,793.12 = 221,334.70 : x - Step 2: Convert to fraction form
235,203.92/352,793.12 = 221,334.70/x - Step 3: Cross multiply
235,203.92x = 352,793.12 × 221,334.70 - Step 4: Simplify right side
235,203.92x = 78,085,359,377.26 - Step 5: Solve for x
x = 78,085,359,377.26/235,203.92 - Step 6: Final answer
x = 331,990.04
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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.