Finding the Fourth Proportional to 481,455.51, 664,400.44 and 266,590.95
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Solution
The fourth proportional to 481,455.51, 664,400.44 and 266,590.95 is: 367,890.99
Step by Step Solution
- Step 1: Write the proportion equation
481,455.51 : 664,400.44 = 266,590.95 : x - Step 2: Convert to fraction form
481,455.51/664,400.44 = 266,590.95/x - Step 3: Cross multiply
481,455.51x = 664,400.44 × 266,590.95 - Step 4: Simplify right side
481,455.51x = 177,123,144,480.02 - Step 5: Solve for x
x = 177,123,144,480.02/481,455.51 - Step 6: Final answer
x = 367,890.99
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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.