Finding the Fourth Proportional to 205,767.14, 283,942.46 and 115,115.99
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Solution
The fourth proportional to 205,767.14, 283,942.46 and 115,115.99 is: 158,851.01
Step by Step Solution
- Step 1: Write the proportion equation
205,767.14 : 283,942.46 = 115,115.99 : x - Step 2: Convert to fraction form
205,767.14/283,942.46 = 115,115.99/x - Step 3: Cross multiply
205,767.14x = 283,942.46 × 115,115.99 - Step 4: Simplify right side
205,767.14x = 32,686,316,254.01 - Step 5: Solve for x
x = 32,686,316,254.01/205,767.14 - Step 6: Final answer
x = 158,851.01
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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.