Finding the Fourth Proportional to 481,378.94, 664,347.50 and 266,519.00
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Solution
The fourth proportional to 481,378.94, 664,347.50 and 266,519.00 is: 367,820.90
Step by Step Solution
- Step 1: Write the proportion equation
481,378.94 : 664,347.50 = 266,519.00 : x - Step 2: Convert to fraction form
481,378.94/664,347.50 = 266,519.00/x - Step 3: Cross multiply
481,378.94x = 664,347.50 × 266,519.00 - Step 4: Simplify right side
481,378.94x = 177,061,233,679.67 - Step 5: Solve for x
x = 177,061,233,679.67/481,378.94 - Step 6: Final answer
x = 367,820.90
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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.