Finding the Fourth Proportional to 294,287.11, 406,129.58 and 173,433.49
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Solution
The fourth proportional to 294,287.11, 406,129.58 and 173,433.49 is: 239,346.09
Step by Step Solution
- Step 1: Write the proportion equation
294,287.11 : 406,129.58 = 173,433.49 : x - Step 2: Convert to fraction form
294,287.11/406,129.58 = 173,433.49/x - Step 3: Cross multiply
294,287.11x = 406,129.58 × 173,433.49 - Step 4: Simplify right side
294,287.11x = 70,436,470,451.63 - Step 5: Solve for x
x = 70,436,470,451.63/294,287.11 - Step 6: Final answer
x = 239,346.09
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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.