Finding the Fourth Proportional to 216,266.24, 298,394.88 and 126,824.96
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Solution
The fourth proportional to 216,266.24, 298,394.88 and 126,824.96 is: 174,987.64
Step by Step Solution
- Step 1: Write the proportion equation
216,266.24 : 298,394.88 = 126,824.96 : x - Step 2: Convert to fraction form
216,266.24/298,394.88 = 126,824.96/x - Step 3: Cross multiply
216,266.24x = 298,394.88 × 126,824.96 - Step 4: Simplify right side
216,266.24x = 37,843,918,720.20 - Step 5: Solve for x
x = 37,843,918,720.20/216,266.24 - Step 6: Final answer
x = 174,987.64
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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.