Finding the Fourth Proportional to 213,037.70, 293,991.80 and 117,544.38
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Solution
The fourth proportional to 213,037.70, 293,991.80 and 117,544.38 is: 162,211.12
Step by Step Solution
- Step 1: Write the proportion equation
213,037.70 : 293,991.80 = 117,544.38 : x - Step 2: Convert to fraction form
213,037.70/293,991.80 = 117,544.38/x - Step 3: Cross multiply
213,037.70x = 293,991.80 × 117,544.38 - Step 4: Simplify right side
213,037.70x = 34,557,083,856.08 - Step 5: Solve for x
x = 34,557,083,856.08/213,037.70 - Step 6: Final answer
x = 162,211.12
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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.