Finding the Fourth Proportional to 271,977.20, 407,869.27 and 79,797.99
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Solution
The fourth proportional to 271,977.20, 407,869.27 and 79,797.99 is: 119,668.67
Step by Step Solution
- Step 1: Write the proportion equation
271,977.20 : 407,869.27 = 79,797.99 : x - Step 2: Convert to fraction form
271,977.20/407,869.27 = 79,797.99/x - Step 3: Cross multiply
271,977.20x = 407,869.27 × 79,797.99 - Step 4: Simplify right side
271,977.20x = 32,547,148,748.95 - Step 5: Solve for x
x = 32,547,148,748.95/271,977.20 - Step 6: Final answer
x = 119,668.67
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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.