Finding the Fourth Proportional to 481,355.80, 664,270.99 and 266,509.69
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Solution
The fourth proportional to 481,355.80, 664,270.99 and 266,509.69 is: 367,783.37
Step by Step Solution
- Step 1: Write the proportion equation
481,355.80 : 664,270.99 = 266,509.69 : x - Step 2: Convert to fraction form
481,355.80/664,270.99 = 266,509.69/x - Step 3: Cross multiply
481,355.80x = 664,270.99 × 266,509.69 - Step 4: Simplify right side
481,355.80x = 177,034,658,529.58 - Step 5: Solve for x
x = 177,034,658,529.58/481,355.80 - Step 6: Final answer
x = 367,783.37
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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.