Finding the Fourth Proportional to 202,918.64, 280,035.99 and 112,273.14
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Solution
The fourth proportional to 202,918.64, 280,035.99 and 112,273.14 is: 154,941.51
Step by Step Solution
- Step 1: Write the proportion equation
202,918.64 : 280,035.99 = 112,273.14 : x - Step 2: Convert to fraction form
202,918.64/280,035.99 = 112,273.14/x - Step 3: Cross multiply
202,918.64x = 280,035.99 × 112,273.14 - Step 4: Simplify right side
202,918.64x = 31,440,519,910.31 - Step 5: Solve for x
x = 31,440,519,910.31/202,918.64 - Step 6: Final answer
x = 154,941.51
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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.