Finding the Fourth Proportional to 203,507.82, 280,858.05 and 112,892.99
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Solution
The fourth proportional to 203,507.82, 280,858.05 and 112,892.99 is: 155,801.89
Step by Step Solution
- Step 1: Write the proportion equation
203,507.82 : 280,858.05 = 112,892.99 : x - Step 2: Convert to fraction form
203,507.82/280,858.05 = 112,892.99/x - Step 3: Cross multiply
203,507.82x = 280,858.05 × 112,892.99 - Step 4: Simplify right side
203,507.82x = 31,706,903,625.78 - Step 5: Solve for x
x = 31,706,903,625.78/203,507.82 - Step 6: Final answer
x = 155,801.89
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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.