Finding the Fourth Proportional to 204,397.45, 306,793.91 and 147,529.98
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Solution
The fourth proportional to 204,397.45, 306,793.91 and 147,529.98 is: 221,437.70
Step by Step Solution
- Step 1: Write the proportion equation
204,397.45 : 306,793.91 = 147,529.98 : x - Step 2: Convert to fraction form
204,397.45/306,793.91 = 147,529.98/x - Step 3: Cross multiply
204,397.45x = 306,793.91 × 147,529.98 - Step 4: Simplify right side
204,397.45x = 45,261,299,775.25 - Step 5: Solve for x
x = 45,261,299,775.25/204,397.45 - Step 6: Final answer
x = 221,437.70
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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.