Finding the Fourth Proportional to 174,721.24, 240,520.29 and 129,313.65
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Solution
The fourth proportional to 174,721.24, 240,520.29 and 129,313.65 is: 178,012.45
Step by Step Solution
- Step 1: Write the proportion equation
174,721.24 : 240,520.29 = 129,313.65 : x - Step 2: Convert to fraction form
174,721.24/240,520.29 = 129,313.65/x - Step 3: Cross multiply
174,721.24x = 240,520.29 × 129,313.65 - Step 4: Simplify right side
174,721.24x = 31,102,555,663.06 - Step 5: Solve for x
x = 31,102,555,663.06/174,721.24 - Step 6: Final answer
x = 178,012.45
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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.