Finding the Fourth Proportional to 201,188.05, 301,782.75 and 74,856.13
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Solution
The fourth proportional to 201,188.05, 301,782.75 and 74,856.13 is: 112,284.45
Step by Step Solution
- Step 1: Write the proportion equation
201,188.05 : 301,782.75 = 74,856.13 : x - Step 2: Convert to fraction form
201,188.05/301,782.75 = 74,856.13/x - Step 3: Cross multiply
201,188.05x = 301,782.75 × 74,856.13 - Step 4: Simplify right side
201,188.05x = 22,590,288,765.76 - Step 5: Solve for x
x = 22,590,288,765.76/201,188.05 - Step 6: Final answer
x = 112,284.45
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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.