Finding the Fourth Proportional to 155,317.26, 214,195.68 and 115,131.14
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Solution
The fourth proportional to 155,317.26, 214,195.68 and 115,131.14 is: 158,775.60
Step by Step Solution
- Step 1: Write the proportion equation
155,317.26 : 214,195.68 = 115,131.14 : x - Step 2: Convert to fraction form
155,317.26/214,195.68 = 115,131.14/x - Step 3: Cross multiply
155,317.26x = 214,195.68 × 115,131.14 - Step 4: Simplify right side
155,317.26x = 24,660,591,750.50 - Step 5: Solve for x
x = 24,660,591,750.50/155,317.26 - Step 6: Final answer
x = 158,775.60
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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.