Finding the Fourth Proportional to 303,351.36, 418,622.08 and 167,386.56
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Solution
The fourth proportional to 303,351.36, 418,622.08 and 167,386.56 is: 230,991.91
Step by Step Solution
- Step 1: Write the proportion equation
303,351.36 : 418,622.08 = 167,386.56 : x - Step 2: Convert to fraction form
303,351.36/418,622.08 = 167,386.56/x - Step 3: Cross multiply
303,351.36x = 418,622.08 × 167,386.56 - Step 4: Simplify right side
303,351.36x = 70,071,709,911.24 - Step 5: Solve for x
x = 70,071,709,911.24/303,351.36 - Step 6: Final answer
x = 230,991.91
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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.