Finding the Fourth Proportional to 299,782.26, 413,723.11 and 170,726.19
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Solution
The fourth proportional to 299,782.26, 413,723.11 and 170,726.19 is: 235,615.58
Step by Step Solution
- Step 1: Write the proportion equation
299,782.26 : 413,723.11 = 170,726.19 : x - Step 2: Convert to fraction form
299,782.26/413,723.11 = 170,726.19/x - Step 3: Cross multiply
299,782.26x = 413,723.11 × 170,726.19 - Step 4: Simplify right side
299,782.26x = 70,633,370,285.25 - Step 5: Solve for x
x = 70,633,370,285.25/299,782.26 - Step 6: Final answer
x = 235,615.58
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1.5x scale
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.