Finding the Fourth Proportional to 201,617.93, 278,230.55 and 110,971.95
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Solution
The fourth proportional to 201,617.93, 278,230.55 and 110,971.95 is: 153,140.08
Step by Step Solution
- Step 1: Write the proportion equation
201,617.93 : 278,230.55 = 110,971.95 : x - Step 2: Convert to fraction form
201,617.93/278,230.55 = 110,971.95/x - Step 3: Cross multiply
201,617.93x = 278,230.55 × 110,971.95 - Step 4: Simplify right side
201,617.93x = 30,875,786,128.21 - Step 5: Solve for x
x = 30,875,786,128.21/201,617.93 - Step 6: Final answer
x = 153,140.08
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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.