Finding the Fourth Proportional to 201,875.56, 278,500.73 and 120,157.99
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Solution
The fourth proportional to 201,875.56, 278,500.73 and 120,157.99 is: 165,765.92
Step by Step Solution
- Step 1: Write the proportion equation
201,875.56 : 278,500.73 = 120,157.99 : x - Step 2: Convert to fraction form
201,875.56/278,500.73 = 120,157.99/x - Step 3: Cross multiply
201,875.56x = 278,500.73 × 120,157.99 - Step 4: Simplify right side
201,875.56x = 33,464,088,174.74 - Step 5: Solve for x
x = 33,464,088,174.74/201,875.56 - Step 6: Final answer
x = 165,765.92
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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.