Finding the Fourth Proportional to 313,007.36, 431,950.36 and 169,767.36
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Solution
The fourth proportional to 313,007.36, 431,950.36 and 169,767.36 is: 234,279.07
Step by Step Solution
- Step 1: Write the proportion equation
313,007.36 : 431,950.36 = 169,767.36 : x - Step 2: Convert to fraction form
313,007.36/431,950.36 = 169,767.36/x - Step 3: Cross multiply
313,007.36x = 431,950.36 × 169,767.36 - Step 4: Simplify right side
313,007.36x = 73,331,072,268.25 - Step 5: Solve for x
x = 73,331,072,268.25/313,007.36 - Step 6: Final answer
x = 234,279.07
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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.