Finding the Fourth Proportional to 298,266.80, 411,615.23 and 169,213.99
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Solution
The fourth proportional to 298,266.80, 411,615.23 and 169,213.99 is: 233,519.30
Step by Step Solution
- Step 1: Write the proportion equation
298,266.80 : 411,615.23 = 169,213.99 : x - Step 2: Convert to fraction form
298,266.80/411,615.23 = 169,213.99/x - Step 3: Cross multiply
298,266.80x = 411,615.23 × 169,213.99 - Step 4: Simplify right side
298,266.80x = 69,651,055,413.07 - Step 5: Solve for x
x = 69,651,055,413.07/298,266.80 - Step 6: Final answer
x = 233,519.30
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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.