Finding the Fourth Proportional to 299,582.24, 413,295.09 and 172,230.80
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Solution
The fourth proportional to 299,582.24, 413,295.09 and 172,230.80 is: 237,604.69
Step by Step Solution
- Step 1: Write the proportion equation
299,582.24 : 413,295.09 = 172,230.80 : x - Step 2: Convert to fraction form
299,582.24/413,295.09 = 172,230.80/x - Step 3: Cross multiply
299,582.24x = 413,295.09 × 172,230.80 - Step 4: Simplify right side
299,582.24x = 71,182,143,986.77 - Step 5: Solve for x
x = 71,182,143,986.77/299,582.24 - Step 6: Final answer
x = 237,604.69
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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.