Finding the Fourth Proportional to 157,520.04, 217,372.99 and 89,544.44
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Solution
The fourth proportional to 157,520.04, 217,372.99 and 89,544.44 is: 123,568.67
Step by Step Solution
- Step 1: Write the proportion equation
157,520.04 : 217,372.99 = 89,544.44 : x - Step 2: Convert to fraction form
157,520.04/217,372.99 = 89,544.44/x - Step 3: Cross multiply
157,520.04x = 217,372.99 × 89,544.44 - Step 4: Simplify right side
157,520.04x = 19,464,542,177.26 - Step 5: Solve for x
x = 19,464,542,177.26/157,520.04 - Step 6: Final answer
x = 123,568.67
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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.