Finding the Fourth Proportional to 481,470.33, 664,420.88 and 266,605.79
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Solution
The fourth proportional to 481,470.33, 664,420.88 and 266,605.79 is: 367,911.45
Step by Step Solution
- Step 1: Write the proportion equation
481,470.33 : 664,420.88 = 266,605.79 : x - Step 2: Convert to fraction form
481,470.33/664,420.88 = 266,605.79/x - Step 3: Cross multiply
481,470.33x = 664,420.88 × 266,605.79 - Step 4: Simplify right side
481,470.33x = 177,138,450,949.31 - Step 5: Solve for x
x = 177,138,450,949.31/481,470.33 - Step 6: Final answer
x = 367,911.45
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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.