Finding the Fourth Proportional to 485,242.68, 727,370.90 and 201,087.82
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Solution
The fourth proportional to 485,242.68, 727,370.90 and 201,087.82 is: 301,427.38
Step by Step Solution
- Step 1: Write the proportion equation
485,242.68 : 727,370.90 = 201,087.82 : x - Step 2: Convert to fraction form
485,242.68/727,370.90 = 201,087.82/x - Step 3: Cross multiply
485,242.68x = 727,370.90 × 201,087.82 - Step 4: Simplify right side
485,242.68x = 146,265,428,612.44 - Step 5: Solve for x
x = 146,265,428,612.44/485,242.68 - Step 6: Final answer
x = 301,427.38
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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.