Finding the Fourth Proportional to 275,855.80, 413,209.62 and 266,338.84
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Solution
The fourth proportional to 275,855.80, 413,209.62 and 266,338.84 is: 398,953.99
Step by Step Solution
- Step 1: Write the proportion equation
275,855.80 : 413,209.62 = 266,338.84 : x - Step 2: Convert to fraction form
275,855.80/413,209.62 = 266,338.84/x - Step 3: Cross multiply
275,855.80x = 413,209.62 × 266,338.84 - Step 4: Simplify right side
275,855.80x = 110,053,770,867.64 - Step 5: Solve for x
x = 110,053,770,867.64/275,855.80 - Step 6: Final answer
x = 398,953.99
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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.