Finding the Fourth Proportional to 172,600.41, 258,939.84 and 52,668.09
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Solution
The fourth proportional to 172,600.41, 258,939.84 and 52,668.09 is: 79,014.10
Step by Step Solution
- Step 1: Write the proportion equation
172,600.41 : 258,939.84 = 52,668.09 : x - Step 2: Convert to fraction form
172,600.41/258,939.84 = 52,668.09/x - Step 3: Cross multiply
172,600.41x = 258,939.84 × 52,668.09 - Step 4: Simplify right side
172,600.41x = 13,637,866,797.71 - Step 5: Solve for x
x = 13,637,866,797.71/172,600.41 - Step 6: Final answer
x = 79,014.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.