Finding the Fourth Proportional to 205,775.12, 283,873.72 and 133,201.44
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Solution
The fourth proportional to 205,775.12, 283,873.72 and 133,201.44 is: 183,755.88
Step by Step Solution
- Step 1: Write the proportion equation
205,775.12 : 283,873.72 = 133,201.44 : x - Step 2: Convert to fraction form
205,775.12/283,873.72 = 133,201.44/x - Step 3: Cross multiply
205,775.12x = 283,873.72 × 133,201.44 - Step 4: Simplify right side
205,775.12x = 37,812,388,282.16 - Step 5: Solve for x
x = 37,812,388,282.16/205,775.12 - Step 6: Final answer
x = 183,755.88
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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.