Finding the Fourth Proportional to 512,423.99, 769,102.41 and 272,739.11
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Solution
The fourth proportional to 512,423.99, 769,102.41 and 272,739.11 is: 409,356.92
Step by Step Solution
- Step 1: Write the proportion equation
512,423.99 : 769,102.41 = 272,739.11 : x - Step 2: Convert to fraction form
512,423.99/769,102.41 = 272,739.11/x - Step 3: Cross multiply
512,423.99x = 769,102.41 × 272,739.11 - Step 4: Simplify right side
512,423.99x = 209,764,302,956.74 - Step 5: Solve for x
x = 209,764,302,956.74/512,423.99 - Step 6: Final answer
x = 409,356.92
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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.