Finding the Fourth Proportional to 213,029.59, 293,986.99 and 117,542.44
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Solution
The fourth proportional to 213,029.59, 293,986.99 and 117,542.44 is: 162,211.96
Step by Step Solution
- Step 1: Write the proportion equation
213,029.59 : 293,986.99 = 117,542.44 : x - Step 2: Convert to fraction form
213,029.59/293,986.99 = 117,542.44/x - Step 3: Cross multiply
213,029.59x = 293,986.99 × 117,542.44 - Step 4: Simplify right side
213,029.59x = 34,555,948,132.86 - Step 5: Solve for x
x = 34,555,948,132.86/213,029.59 - Step 6: Final answer
x = 162,211.96
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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.