Finding the Fourth Proportional to 147,324.72, 203,129.64 and 114,628.62
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Solution
The fourth proportional to 147,324.72, 203,129.64 and 114,628.62 is: 158,048.63
Step by Step Solution
- Step 1: Write the proportion equation
147,324.72 : 203,129.64 = 114,628.62 : x - Step 2: Convert to fraction form
147,324.72/203,129.64 = 114,628.62/x - Step 3: Cross multiply
147,324.72x = 203,129.64 × 114,628.62 - Step 4: Simplify right side
147,324.72x = 23,284,470,314.30 - Step 5: Solve for x
x = 23,284,470,314.30/147,324.72 - Step 6: Final answer
x = 158,048.63
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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.