Finding the Fourth Proportional to 481,763.79, 664,780.23 and 266,850.54
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Solution
The fourth proportional to 481,763.79, 664,780.23 and 266,850.54 is: 368,223.95
Step by Step Solution
- Step 1: Write the proportion equation
481,763.79 : 664,780.23 = 266,850.54 : x - Step 2: Convert to fraction form
481,763.79/664,780.23 = 266,850.54/x - Step 3: Cross multiply
481,763.79x = 664,780.23 × 266,850.54 - Step 4: Simplify right side
481,763.79x = 177,396,963,356.82 - Step 5: Solve for x
x = 177,396,963,356.82/481,763.79 - Step 6: Final answer
x = 368,223.95
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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.