Finding the Fourth Proportional to 214,786.65, 296,388.21 and 124,148.49
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Solution
The fourth proportional to 214,786.65, 296,388.21 and 124,148.49 is: 171,314.88
Step by Step Solution
- Step 1: Write the proportion equation
214,786.65 : 296,388.21 = 124,148.49 : x - Step 2: Convert to fraction form
214,786.65/296,388.21 = 124,148.49/x - Step 3: Cross multiply
214,786.65x = 296,388.21 × 124,148.49 - Step 4: Simplify right side
214,786.65x = 36,796,148,725.30 - Step 5: Solve for x
x = 36,796,148,725.30/214,786.65 - Step 6: Final answer
x = 171,314.88
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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.