Finding the Fourth Proportional to 201,618.07, 278,230.78 and 110,972.09
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Solution
The fourth proportional to 201,618.07, 278,230.78 and 110,972.09 is: 153,140.30
Step by Step Solution
- Step 1: Write the proportion equation
201,618.07 : 278,230.78 = 110,972.09 : x - Step 2: Convert to fraction form
201,618.07/278,230.78 = 110,972.09/x - Step 3: Cross multiply
201,618.07x = 278,230.78 × 110,972.09 - Step 4: Simplify right side
201,618.07x = 30,875,851,158.93 - Step 5: Solve for x
x = 30,875,851,158.93/201,618.07 - Step 6: Final answer
x = 153,140.30
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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.