Finding the Fourth Proportional to 177,786.26, 266,679.65 and 72,605.23
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Solution
The fourth proportional to 177,786.26, 266,679.65 and 72,605.23 is: 108,907.95
Step by Step Solution
- Step 1: Write the proportion equation
177,786.26 : 266,679.65 = 72,605.23 : x - Step 2: Convert to fraction form
177,786.26/266,679.65 = 72,605.23/x - Step 3: Cross multiply
177,786.26x = 266,679.65 × 72,605.23 - Step 4: Simplify right side
177,786.26x = 19,362,337,324.57 - Step 5: Solve for x
x = 19,362,337,324.57/177,786.26 - Step 6: Final answer
x = 108,907.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.