Finding the Fourth Proportional to 201,643.94, 278,266.45 and 110,997.99
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Solution
The fourth proportional to 201,643.94, 278,266.45 and 110,997.99 is: 153,176.02
Step by Step Solution
- Step 1: Write the proportion equation
201,643.94 : 278,266.45 = 110,997.99 : x - Step 2: Convert to fraction form
201,643.94/278,266.45 = 110,997.99/x - Step 3: Cross multiply
201,643.94x = 278,266.45 × 110,997.99 - Step 4: Simplify right side
201,643.94x = 30,887,016,634.44 - Step 5: Solve for x
x = 30,887,016,634.44/201,643.94 - Step 6: Final answer
x = 153,176.02
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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.