Finding the Fourth Proportional to 321,101.99, 443,135.33 and 177,862.01
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Solution
The fourth proportional to 321,101.99, 443,135.33 and 177,862.01 is: 245,457.65
Step by Step Solution
- Step 1: Write the proportion equation
321,101.99 : 443,135.33 = 177,862.01 : x - Step 2: Convert to fraction form
321,101.99/443,135.33 = 177,862.01/x - Step 3: Cross multiply
321,101.99x = 443,135.33 × 177,862.01 - Step 4: Simplify right side
321,101.99x = 78,816,937,390.83 - Step 5: Solve for x
x = 78,816,937,390.83/321,101.99 - Step 6: Final answer
x = 245,457.65
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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.