Finding the Fourth Proportional to 294,860.75, 406,908.11 and 160,724.75
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Solution
The fourth proportional to 294,860.75, 406,908.11 and 160,724.75 is: 221,800.30
Step by Step Solution
- Step 1: Write the proportion equation
294,860.75 : 406,908.11 = 160,724.75 : x - Step 2: Convert to fraction form
294,860.75/406,908.11 = 160,724.75/x - Step 3: Cross multiply
294,860.75x = 406,908.11 × 160,724.75 - Step 4: Simplify right side
294,860.75x = 65,400,204,252.72 - Step 5: Solve for x
x = 65,400,204,252.72/294,860.75 - Step 6: Final answer
x = 221,800.30
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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.