Finding the Fourth Proportional to 302,696.36, 417,717.14 and 166,727.56
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Solution
The fourth proportional to 302,696.36, 417,717.14 and 166,727.56 is: 230,081.92
Step by Step Solution
- Step 1: Write the proportion equation
302,696.36 : 417,717.14 = 166,727.56 : x - Step 2: Convert to fraction form
302,696.36/417,717.14 = 166,727.56/x - Step 3: Cross multiply
302,696.36x = 417,717.14 × 166,727.56 - Step 4: Simplify right side
302,696.36x = 69,644,959,522.38 - Step 5: Solve for x
x = 69,644,959,522.38/302,696.36 - Step 6: Final answer
x = 230,081.92
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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.