Finding the Fourth Proportional to 364,811.80, 547,217.70 and 252,618.70
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Solution
The fourth proportional to 364,811.80, 547,217.70 and 252,618.70 is: 378,928.05
Step by Step Solution
- Step 1: Write the proportion equation
364,811.80 : 547,217.70 = 252,618.70 : x - Step 2: Convert to fraction form
364,811.80/547,217.70 = 252,618.70/x - Step 3: Cross multiply
364,811.80x = 547,217.70 × 252,618.70 - Step 4: Simplify right side
364,811.80x = 138,237,423,990.99 - Step 5: Solve for x
x = 138,237,423,990.99/364,811.80 - Step 6: Final answer
x = 378,928.05
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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.