Finding the Fourth Proportional to 221,209.44, 331,517.76 and 207,037.92
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Solution
The fourth proportional to 221,209.44, 331,517.76 and 207,037.92 is: 310,279.47
Step by Step Solution
- Step 1: Write the proportion equation
221,209.44 : 331,517.76 = 207,037.92 : x - Step 2: Convert to fraction form
221,209.44/331,517.76 = 207,037.92/x - Step 3: Cross multiply
221,209.44x = 331,517.76 × 207,037.92 - Step 4: Simplify right side
221,209.44x = 68,636,747,473.46 - Step 5: Solve for x
x = 68,636,747,473.46/221,209.44 - Step 6: Final answer
x = 310,279.47
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1.5x scale
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.