Finding the Fourth Proportional to 217,256.24, 299,812.92 and 126,665.84
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Solution
The fourth proportional to 217,256.24, 299,812.92 and 126,665.84 is: 174,798.46
Step by Step Solution
- Step 1: Write the proportion equation
217,256.24 : 299,812.92 = 126,665.84 : x - Step 2: Convert to fraction form
217,256.24/299,812.92 = 126,665.84/x - Step 3: Cross multiply
217,256.24x = 299,812.92 × 126,665.84 - Step 4: Simplify right side
217,256.24x = 37,976,055,354.65 - Step 5: Solve for x
x = 37,976,055,354.65/217,256.24 - Step 6: Final answer
x = 174,798.46
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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.