Finding the Fourth Proportional to 269,338.97, 403,975.55 and 69,642.62
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Solution
The fourth proportional to 269,338.97, 403,975.55 and 69,642.62 is: 104,455.42
Step by Step Solution
- Step 1: Write the proportion equation
269,338.97 : 403,975.55 = 69,642.62 : x - Step 2: Convert to fraction form
269,338.97/403,975.55 = 69,642.62/x - Step 3: Cross multiply
269,338.97x = 403,975.55 × 69,642.62 - Step 4: Simplify right side
269,338.97x = 28,133,915,387.08 - Step 5: Solve for x
x = 28,133,915,387.08/269,338.97 - Step 6: Final answer
x = 104,455.42
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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.