Finding the Fourth Proportional to 361,668.23, 542,531.92 and 181,661.09
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Solution
The fourth proportional to 361,668.23, 542,531.92 and 181,661.09 is: 272,506.49
Step by Step Solution
- Step 1: Write the proportion equation
361,668.23 : 542,531.92 = 181,661.09 : x - Step 2: Convert to fraction form
361,668.23/542,531.92 = 181,661.09/x - Step 3: Cross multiply
361,668.23x = 542,531.92 × 181,661.09 - Step 4: Simplify right side
361,668.23x = 98,556,939,946.99 - Step 5: Solve for x
x = 98,556,939,946.99/361,668.23 - Step 6: Final answer
x = 272,506.49
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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.