Finding the Fourth Proportional to 481,646.72, 664,672.52 and 266,800.70
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Solution
The fourth proportional to 481,646.72, 664,672.52 and 266,800.70 is: 368,184.99
Step by Step Solution
- Step 1: Write the proportion equation
481,646.72 : 664,672.52 = 266,800.70 : x - Step 2: Convert to fraction form
481,646.72/664,672.52 = 266,800.70/x - Step 3: Cross multiply
481,646.72x = 664,672.52 × 266,800.70 - Step 4: Simplify right side
481,646.72x = 177,335,093,606.76 - Step 5: Solve for x
x = 177,335,093,606.76/481,646.72 - Step 6: Final answer
x = 368,184.99
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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.