Finding the Fourth Proportional to 481,104.87, 663,908.26 and 266,253.99
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Solution
The fourth proportional to 481,104.87, 663,908.26 and 266,253.99 is: 367,421.40
Step by Step Solution
- Step 1: Write the proportion equation
481,104.87 : 663,908.26 = 266,253.99 : x - Step 2: Convert to fraction form
481,104.87/663,908.26 = 266,253.99/x - Step 3: Cross multiply
481,104.87x = 663,908.26 × 266,253.99 - Step 4: Simplify right side
481,104.87x = 176,768,223,218.96 - Step 5: Solve for x
x = 176,768,223,218.96/481,104.87 - Step 6: Final answer
x = 367,421.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.