Finding the Fourth Proportional to 481,256.09, 664,125.34 and 266,391.53
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Solution
The fourth proportional to 481,256.09, 664,125.34 and 266,391.53 is: 367,615.85
Step by Step Solution
- Step 1: Write the proportion equation
481,256.09 : 664,125.34 = 266,391.53 : x - Step 2: Convert to fraction form
481,256.09/664,125.34 = 266,391.53/x - Step 3: Cross multiply
481,256.09x = 664,125.34 × 266,391.53 - Step 4: Simplify right side
481,256.09x = 176,917,365,434.37 - Step 5: Solve for x
x = 176,917,365,434.37/481,256.09 - Step 6: Final answer
x = 367,615.85
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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.