Finding the Fourth Proportional to 118,555.22, 177,958.14 and 115,878.02
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Solution
The fourth proportional to 118,555.22, 177,958.14 and 115,878.02 is: 173,939.51
Step by Step Solution
- Step 1: Write the proportion equation
118,555.22 : 177,958.14 = 115,878.02 : x - Step 2: Convert to fraction form
118,555.22/177,958.14 = 115,878.02/x - Step 3: Cross multiply
118,555.22x = 177,958.14 × 115,878.02 - Step 4: Simplify right side
118,555.22x = 20,621,436,906.08 - Step 5: Solve for x
x = 20,621,436,906.08/118,555.22 - Step 6: Final answer
x = 173,939.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.